Diphenhydramine-impurities | Pharmaffiliates

diphenhydramine

Diphenhydramine is a first-generation antihistamine used to treat a number of conditions including allergic symptoms and itchiness, the common cold, insomnia, motion sickness, and extrapyramidal symptoms. It can also be used for insomnia, symptoms of the common cold, tremor in parkinsonism, and nausea.. Reference standards of Diphenhydramine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

stdClass Object
(
    [pname] => Diphenhydramine - Impurity A
    [catalogue_number] => PA 04 31010
    [category_ids] => ,70,75,78,79,80,82,
    [chemical_name] => 
    [weight] => 277.79
    [form] => C16H20ClNO
    [cas] => 53499-40-4
    [pslug] => 53499-40-4-diphenhydramine-impurity-a-pa0431010
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 1321
    [offers_product_code] => PA 04 31010
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 04 31010

Diphenhydramine - Impurity A


  • Catalogue No.:PA 04 31010

  • CAS :

    53499-40-4

  • Molecular Formula : C16H20ClNO

  • Molecular Weight : 277.79

20% OFF
stdClass Object
(
    [pname] => Diphenhydramine - Impurity B
    [catalogue_number] => PA 04 31020
    [category_ids] => ,79,80,78,70,82,
    [chemical_name] => 
    [weight] => 305.84
    [form] => C18H24ClNO
    [cas] => 4024-34-4
    [pslug] => 4024-34-4-diphenhydramine-impurity-b-pa0431020
    [latest_product] => 0
    [linkproducts] => 1
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 1322
    [offers_product_code] => PA 04 31020
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 04 31020

Diphenhydramine - Impurity B


  • Catalogue No.:PA 04 31020

  • CAS :

    4024-34-4

  • Molecular Formula : C18H24ClNO

  • Molecular Weight : 305.84

stdClass Object
(
    [pname] => Diphenhydramine - Impurity C (Hydrochloride Salt)
    [catalogue_number] => PA 04 31030
    [category_ids] => ,70,75,76,78,82,99,
    [chemical_name] => 
    [weight] => 370.71
    [form] => C17H21BrClNO
    [cas] => 1808-12-4
    [pslug] => 1808-12-4-diphenhydramine-impurity-c-hydrochloride-salt-pa0431030
    [latest_product] => 0
    [linkproducts] => 1
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 1324
    [offers_product_code] => PA 04 31030
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 04 31030

Diphenhydramine - Impurity C (Hydrochloride Salt)


  • Catalogue No.:PA 04 31030

  • CAS :

    1808-12-4

  • Molecular Formula : C17H21BrClNO

  • Molecular Weight : 370.71

stdClass Object
(
    [pname] => Diphenhydramine - Impurity D
    [catalogue_number] => PA 04 31040
    [category_ids] => ,80,78,70,82,
    [chemical_name] => 
    [weight] => 184.23
    [form] => C13H12O
    [cas] => 91-01-0
    [pslug] => 91-01-0-diphenhydramine-impurity-d-pa0431040
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 1326
    [offers_product_code] => PA 04 31040
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 04 31040

Diphenhydramine - Impurity D


  • Catalogue No.:PA 04 31040

  • CAS :

    91-01-0

  • Molecular Formula : C13H12O

  • Molecular Weight : 184.23

20% OFF
stdClass Object
(
    [pname] => Diphenhydramine - Impurity E (Freebase)
    [catalogue_number] => PA 04 31050
    [category_ids] => ,70,75,76,78,82,
    [chemical_name] => 
    [weight] => 182.22
    [form] => C13H10O
    [cas] => 119-61-9
    [pslug] => 119-61-9-diphenhydramine-impurity-e-freebase-pa0431050
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 1327
    [offers_product_code] => PA 04 31050
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 04 31050

Diphenhydramine - Impurity E (Freebase)


  • Catalogue No.:PA 04 31050

  • CAS :

    119-61-9

  • Molecular Formula : C13H10O

  • Molecular Weight : 182.22

20% OFF
stdClass Object
(
    [pname] => Diphenhydramine N-Oxide
    [catalogue_number] => PA 04 31510
    [category_ids] => ,70,75,76,78,79,80,82,
    [chemical_name] => 
    [weight] => 271.35
    [form] => C17H21NO2
    [cas] => 3922-74-5
    [pslug] => 3922-74-5-diphenhydramine-n-oxide-pa0431510
    [latest_product] => 0
    [linkproducts] => 1
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 1328
    [offers_product_code] => PA 04 31510
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 04 31510

Diphenhydramine N-Oxide


  • Catalogue No.:PA 04 31510

  • CAS :

    3922-74-5

  • Molecular Formula : C17H21NO2

  • Molecular Weight : 271.35

stdClass Object
(
    [pname] => Diphenhydramine Citrate - API Standards 
    [catalogue_number] => PA 04 31550
    [category_ids] => ,70,78,79,80,82,
    [chemical_name] => 
    [weight] => 447.48
    [form] => C23H29NO8
    [cas] => 88637-37-0
    [pslug] => 88637-37-0-diphenhydramine-citrate-pa0431550
    [latest_product] => 0
    [linkproducts] => 1
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 1329
    [offers_product_code] => PA 04 31550
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 04 31550

Diphenhydramine Citrate - API Standards


  • Catalogue No.:PA 04 31550

  • CAS :

    88637-37-0

  • Molecular Formula : C23H29NO8

  • Molecular Weight : 447.48

stdClass Object
(
    [pname] => 3-(Diphenylmethoxy)-1,2-propanediol
    [catalogue_number] => PA 04 0311000
    [category_ids] => ,75,76,78,82,
    [chemical_name] => 
    [weight] => 258.32
    [form] => C16H18O3
    [cas] => 19574-66-4
    [pslug] => 19574-66-4-3-diphenylmethoxy-1-2-propanediol-pa040311000
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 1181
    [offers_product_code] => PA 04 0311000
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 04 0311000

3-(Diphenylmethoxy)-1,2-propanediol


  • Catalogue No.:PA 04 0311000

  • CAS :

    19574-66-4

  • Molecular Formula : C16H18O3

  • Molecular Weight : 258.32

20% OFF
stdClass Object
(
    [pname] => Diphenhydramine - Impurity B
    [catalogue_number] => PA 04 31021
    [category_ids] => ,70,75,76,78,82,
    [chemical_name] => 
    [weight] => 269.39
    [form] => C18H23NO
    [cas] => 19804-27-4
    [pslug] => 19804-27-4-4-diphenhydramine-impurity-b-pa0431021
    [latest_product] => 1
    [linkproducts] => 1
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 1323
    [offers_product_code] => PA 04 31021
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 04 31021

Diphenhydramine - Impurity B


  • Catalogue No.:PA 04 31021

  • CAS :

    19804-27-4

  • Molecular Formula : C18H23NO

  • Molecular Weight : 269.39

stdClass Object
(
    [pname] => Diphenhydramine - Impurity C
    [catalogue_number] => PA 04 31031
    [category_ids] => ,70,75,76,78,82,
    [chemical_name] => 
    [weight] => 334.26
    [form] => C17H20BrNO
    [cas] => 118-23-0
    [pslug] => 118-23-0-diphenhydramine-impurity-c-pa0431031
    [latest_product] => 0
    [linkproducts] => 1
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 1325
    [offers_product_code] => PA 04 31031
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 04 31031

Diphenhydramine - Impurity C


  • Catalogue No.:PA 04 31031

  • CAS :

    118-23-0

  • Molecular Formula : C17H20BrNO

  • Molecular Weight : 334.26

stdClass Object
(
    [pname] => Diphenhydramine - API Standards 
    [catalogue_number] => PA 31 57000
    [category_ids] => ,70,78,79,80,82,
    [chemical_name] => 
    [weight] => 255.35
    [form] => C17H21NO
    [cas] => 58-73-1
    [pslug] => 58-73-1-diphenhydramine-api-pa3157000
    [latest_product] => 0
    [linkproducts] => 1
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 6017
    [offers_product_code] => PA 31 57000
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 31 57000

Diphenhydramine - API Standards


  • Catalogue No.:PA 31 57000

  • CAS :

    58-73-1

  • Molecular Formula : C17H21NO

  • Molecular Weight : 255.35

stdClass Object
(
    [pname] => 2-(Diphenylmethoxy)-N,N,N-trimethylethanaminium Bromide
    [catalogue_number] => PA 04 31520
    [category_ids] => ,79,80,71,78,70,82,
    [chemical_name] => 
    [weight] => 350.29
    [form] => C18H24BrNO
    [cas] => 31065-89-1
    [pslug] => 31065-89-1-2-diphenylmethoxy-n-n-n-trimethylethanaminium-bromide-pa0431520
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA 04 31520

2-(Diphenylmethoxy)-N,N,N-trimethylethanaminium Bromide


  • Catalogue No.:PA 04 31520

  • CAS :

    31065-89-1

  • Molecular Formula : C18H24BrNO

  • Molecular Weight : 350.29

stdClass Object
(
    [pname] => Diphenhydramine N-Oxide Hydrochloride
    [catalogue_number] => PA 04 31530
    [category_ids] => ,79,80,71,78,70,82,
    [chemical_name] => 
    [weight] => 307.82
    [form] => C17H22ClNO2
    [cas] => 13168-00-8
    [pslug] => 13168-00-8-diphenhydramine-n-oxide-hydrochloride-pa0431530
    [latest_product] => 0
    [linkproducts] => 1
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA 04 31530

Diphenhydramine N-Oxide Hydrochloride


  • Catalogue No.:PA 04 31530

  • CAS :

    13168-00-8

  • Molecular Formula : C17H22ClNO2

  • Molecular Weight : 307.82

stdClass Object
(
    [pname] => 2-(Benzhydryloxy)-N-methylacetamide
    [catalogue_number] => PA 04 31540
    [category_ids] => ,79,80,71,78,70,82,
    [chemical_name] => 
    [weight] => 255.31
    [form] => C16H17NO2
    [cas] => 118286-16-1
    [pslug] => 118286-16-1-2-benzhydryloxy-n-methylacetamide-pa0431540
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA 04 31540

2-(Benzhydryloxy)-N-methylacetamide


  • Catalogue No.:PA 04 31540

  • CAS :

    118286-16-1

  • Molecular Formula : C16H17NO2

  • Molecular Weight : 255.31

stdClass Object
(
    [pname] => N-Desmethyl Diphenhydramine-d3 Hydrochloride
    [catalogue_number] => PA STI 028280
    [category_ids] => ,79,80,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 280.81
    [form] => C16H17D3ClNO
    [cas] => 1794759-12-8
    [pslug] => 1794759-12-8-n-desmethyl-diphenhydramine-d3-hydrochloride-pasti028280
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA STI 028280

N-Desmethyl Diphenhydramine-d3 Hydrochloride


  • Catalogue No.:PA STI 028280

  • CAS :

    1794759-12-8

  • Molecular Formula : C16H17D3ClNO

  • Molecular Weight : 280.81

stdClass Object
(
    [pname] => Diphenhydramine-d6 N-β-D-Glucuronide
    [catalogue_number] => PA STI 035500
    [category_ids] => ,79,80,95,76,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 437.52
    [form] => C23H23D6NO7
    [cas] => NA
    [pslug] => diphenhydramine-d6-n-beta-d-glucuronide-pasti035500
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA STI 035500

Diphenhydramine-d6 N-β-D-Glucuronide


  • Catalogue No.:PA STI 035500

  • CAS :

    NA

  • Molecular Formula : C23H23D6NO7

  • Molecular Weight : 437.52

stdClass Object
(
    [pname] => Diphenhydramine-d6 N-Oxide
    [catalogue_number] => PA STI 035510
    [category_ids] => ,79,80,95,76,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 277.39
    [form] => C17H15D6NO2
    [cas] => 1346603-42-6
    [pslug] => 1346603-42-6-diphenhydramine-d6-n-oxide-pasti035510
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA STI 035510

Diphenhydramine-d6 N-Oxide


  • Catalogue No.:PA STI 035510

  • CAS :

    1346603-42-6

  • Molecular Formula : C17H15D6NO2

  • Molecular Weight : 277.39

stdClass Object
(
    [pname] => Diphenhydramine-d5 HCl (phenyl-d5)
    [catalogue_number] => PA STI 088325
    [category_ids] => ,98,78,70,82,
    [chemical_name] => 
    [weight] => 296.85
    [form] => C17H17D5ClNO
    [cas] => 1219795-16-0
    [pslug] => 1219795-16-0-diphenhydramine-d5-hcl-phenyl-d5-pasti088325
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA STI 088325

Diphenhydramine-d5 HCl (phenyl-d5)


  • Catalogue No.:PA STI 088325

  • CAS :

    1219795-16-0

  • Molecular Formula : C17H17D5ClNO

  • Molecular Weight : 296.85

stdClass Object
(
    [pname] => 2-Chloro(methylphenyl)phenylmethoxy Ethane Ether
    [catalogue_number] => PA 31 0571000
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 260.76
    [form] => C16H17ClO
    [cas] => 22135-59-7
    [pslug] => 22135-59-7-2-chloro-methylphenyl-phenylmethoxy-ethane-ether-pa310571000
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA 31 0571000

2-Chloro(methylphenyl)phenylmethoxy Ethane Ether


  • Catalogue No.:PA 31 0571000

  • CAS :

    22135-59-7

  • Molecular Formula : C16H17ClO

  • Molecular Weight : 260.76

stdClass Object
(
    [pname] => Benzhydryl Bromide
    [catalogue_number] => PA 31 0571001
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 247.14
    [form] => C13H11Br
    [cas] => 776-74-9
    [pslug] => 776-74-9-benzhydryl-bromide-pa310571001
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA 31 0571001

Benzhydryl Bromide


  • Catalogue No.:PA 31 0571001

  • CAS :

    776-74-9

  • Molecular Formula : C13H11Br

  • Molecular Weight : 247.14

stdClass Object
(
    [pname] => Benzeneacetic acid, a-methyl-4-(1-methylethyl)-
    [catalogue_number] => PA 31 0571002
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 192.26
    [form] => C12H16O2
    [cas] => 3585-48-6
    [pslug] => 3585-48-6-benzeneacetic-acid-a-methyl-4-1-methylethyl-pa310571002
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA 31 0571002

Benzeneacetic acid, a-methyl-4-(1-methylethyl)-


  • Catalogue No.:PA 31 0571002

  • CAS :

    3585-48-6

  • Molecular Formula : C12H16O2

  • Molecular Weight : 192.26

stdClass Object
(
    [pname] => 4,4-Bis(diethylamino)benzophenone
    [catalogue_number] => PA 31 0571003
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 324.47
    [form] => C21H28N2O
    [cas] => 90-93-7
    [pslug] => 90-93-7-4-4-bis-diethylamino-benzophenone-pa310571003
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA 31 0571003

4,4-Bis(diethylamino)benzophenone


  • Catalogue No.:PA 31 0571003

  • CAS :

    90-93-7

  • Molecular Formula : C21H28N2O

  • Molecular Weight : 324.47