ivermectin and its Impurities

Ivermectin is a semisynthetic macrocyclic lactone. It is a broad spectrum antiparasitic agent and is derived from Avermectins. Reference standards of Ivermectin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 44 results for ivermectin Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 09 32000

Ivermectin

Ivermectin

  • Catalogue No.:PA 09 32000

  • CAS :

    70288-86-7

  • Molecular Formula : C48H74O14 + C47H72O14

  • Molecular Weight : 875.09 + 861.08

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32010

Ivermectin - Impurity A

Avermectin B1a

  • Catalogue No.:PA 09 32010

  • CAS :

    65195-55-3

  • Molecular Formula : C48H72O14

  • Molecular Weight : 873.08

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32020

Ivermectin - Impurity B

Avermectin B1b

  • Catalogue No.:PA 09 32020

  • CAS :

    65195-56-4

  • Molecular Formula : C47H70O14

  • Molecular Weight : 859.05

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32030

Ivermectin - Impurity C

Avermectin B2a

  • Catalogue No.:PA 09 32030

  • CAS :

    65195-57-5

  • Molecular Formula : C48H74O15

  • Molecular Weight : 891.09

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32040

Ivermectin - Impurity D

28-Oxo Ivermectin B1a

  • Catalogue No.:PA 09 32040

  • CAS :

    102190-55-6

  • Molecular Formula : C48H72O15

  • Molecular Weight : 889.08

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32050

Ivermectin - Impurity E

5-O,12-Didemethyl-12-ethyl-22,23-dihydroavermectin A1a

  • Catalogue No.:PA 09 32050

  • CAS :

    NA

  • Molecular Formula : C49H76O14

  • Molecular Weight : 889.12

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32060

Ivermectin - Impurity F

5-O,12-Didemethyl-25-de(1-methylpropyl)-12-ethyl-25-(1-methylethyl)-22,23-dihydroavermectin A1a

  • Catalogue No.:PA 09 32060

  • CAS :

    NA

  • Molecular Formula : C48H74O14

  • Molecular Weight : 875.09

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32070

Ivermectin - Impurity G

H2B1a aglycone

  • Catalogue No.:PA 09 32070

  • CAS :

    73162-95-5

  • Molecular Formula : C34H50O8

  • Molecular Weight : 586.76

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32080

Ivermectin - Impurity H

4'-O-de(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-5-O-demethyl-22,23-dihydroavermectin A1a

  • Catalogue No.:PA 09 32080

  • CAS :

    71837-27-9

  • Molecular Formula : C41H62O11

  • Molecular Weight : 730.92

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32090

Ivermectin - Impurity I

Δ2,3 H2B1a Ivermectin

Drug Reference Standards & Impurity Synthesis in India

  • Catalogue No.:PA 09 32090

  • CAS :

    1135339-49-9

  • Molecular Formula : C48H74O14

  • Molecular Weight : 875.12

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32100

Ivermectin - Impurity J

Δ2,3 H2B1b Ivermectin

  • Catalogue No.:PA 09 32100

  • CAS :

    NA

  • Molecular Formula : C47H72O14

  • Molecular Weight : 861.07

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32110

Ivermectin - Impurity K

H4B1a isomers

Drug Reference Standards & Impurity Synthesis in India

  • Catalogue No.:PA 09 32110

  • CAS :

    74567-01-4

  • Molecular Formula : C48H76O14

  • Molecular Weight : 877.13

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32510

Ivermectin B1a

Ivermectin B1a

  • Catalogue No.:PA 09 32510

  • CAS :

    71827-03-7

  • Molecular Formula : C48H74O14

  • Molecular Weight : 875.09

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Drug Reference Standards & Impurity Synthesis in India
PAI 09 005010

28-OXO-4,5-OTBDMS Ivermectin

28-OXO-4,5-OTBDMS Ivermectin

  • Catalogue No.:PAI 09 005010

  • CAS :

    NA

  • Molecular Formula : C60H100O15Si2

  • Molecular Weight : 1117.60

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Drug Reference Standards & Impurity Synthesis in India
PAI 09 005020

4,5-OTBDMS Ivermectin

4,5-OTBDMS Ivermectin

  • Catalogue No.:PAI 09 005020

  • CAS :

    NA

  • Molecular Formula : C60H102O14Si2

  • Molecular Weight : 1103.61

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32520

22,23-Dihydroavermectin B1(a)

22,23-Dihydroavermectin B1(a)

  • Catalogue No.:PA 09 32520

  • CAS :

    94837-49-7

  • Molecular Formula : C48H75O17P

  • Molecular Weight : 955.08

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32530

24-Ethyl Ivermectin

24-Ethyl Ivermectin

  • Catalogue No.:PA 09 32530

  • CAS :

    NA

  • Molecular Formula : C49H76O14

  • Molecular Weight : 889.13

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Drug Reference Standards & Impurity Synthesis in India
PA EPI8000010

Ivermectin (I8000010)

Ivermectin (I8000010)

  • Catalogue No.:PA EPI8000010

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA IPIPRS 70 12

Ivermectin (IPRS/70/12)-from IPC

Ivermectin (IPRS/70/12)-from IPC

  • Catalogue No.:PA IPIPRS 70 12

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1354309

Ivermectin (1354309)

Ivermectin (1354309)

  • Catalogue No.:PA USP1354309

  • CAS :

    70288-86-7

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA BP864RB

ivermectin (864RB)

ivermectin (864RB)

  • Catalogue No.:PA BP864RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32540

Ivermectin B1b

Ivermectin B1b

  • Catalogue No.:PA 09 32540

  • CAS :

    70209-81-3

  • Molecular Formula : C47H72O14

  • Molecular Weight : 861.08

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Drug Reference Standards & Impurity Synthesis in India
PA 09 32550

8a-hydroperoxide Ivermectin

8a-hydroperoxide Ivermectin

  • Catalogue No.:PA 09 32550

  • CAS :

    2962875-15-4

  • Molecular Formula : C48H74O16

  • Molecular Weight : 907.1

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321000

5-O-Demethyl-8a-methoxy-22,23-dihydroavermectin A1a

5-O-Demethyl-8a-methoxy-22,23-dihydroavermectin A1a

  • Catalogue No.:PA 09 0321000

  • CAS :

    NA

  • Molecular Formula : C49H76O15

  • Molecular Weight : 905.13

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321001

3-O-Demethyl Ivermectin B1a

3-O-Demethyl Ivermectin B1a

  • Catalogue No.:PA 09 0321001

  • CAS :

    431070-70-1

  • Molecular Formula : C47H72O14

  • Molecular Weight : 861.08

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321002

3''-O-Demethyl Ivermectin

3''-O-Demethyl Ivermectin

  • Catalogue No.:PA 09 0321002

  • CAS :

    92137-95-6

  • Molecular Formula : C47H72O14

  • Molecular Weight : 861.08

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321003

2-epi-Isomer of Ivermectin B1a

2-epi-Isomer of Ivermectin B1a

  • Catalogue No.:PA 09 0321003

  • CAS :

    NA

  • Molecular Formula : C48H74O14

  • Molecular Weight : 875.11

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Drug Reference Standards & Impurity Synthesis in India
PAI 09 005021

5-Keto Ivermectin

5-Keto Ivermectin

  • Catalogue No.:PAI 09 005021

  • CAS :

    NA

  • Molecular Formula : C47H70O15

  • Molecular Weight : 875.06

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Drug Reference Standards & Impurity Synthesis in India
PAI 09 005022

5-Keto-13-hydroxy Ivermectin

5-Keto-13-hydroxy Ivermectin

  • Catalogue No.:PAI 09 005022

  • CAS :

    NA

  • Molecular Formula : C33H46O8

  • Molecular Weight : 570.72

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Drug Reference Standards & Impurity Synthesis in India
PAI 09 005023

5-Keto-13-deoxy Ivermectin

5-Keto-13-deoxy Ivermectin

  • Catalogue No.:PAI 09 005023

  • CAS :

    NA

  • Molecular Formula : C33H46O7

  • Molecular Weight : 554.72

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321004

8a-Hydroxy-Ivermectin  B1a

8a-Hydroxy-Ivermectin B1a

  • Catalogue No.:PA 09 0321004

  • CAS :

    NA

  • Molecular Formula : C48H74O15

  • Molecular Weight : 891.11

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321005

5-O-Demethyl-4'',5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-22,23-dihydro-28-oxo-avermectin A1a

5-O-Demethyl-4'',5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-22,23-dihydro-28-oxo-avermectin A1a

  • Catalogue No.:PA 09 0321005

  • CAS :

    102190-51-2

  • Molecular Formula : C60H100O15Si2

  • Molecular Weight : 1117.62

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Drug Reference Standards & Impurity Synthesis in India
PA IPRS 37 16

Ivermectin (IPRS/37/16) -from IPC

Ivermectin (IPRS/37/16) -from IPC

  • Catalogue No.:PA IPRS 37 16

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321006

Avermectin B1a Monosaccharide

Avermectin B1a Monosaccharide

  • Catalogue No.:PA 09 0321006

  • CAS :

    71831-09-9

  • Molecular Formula : C41H60O11

  • Molecular Weight : 728.92

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321007

12-Demethyl-12-ethyl Avermectin B1a

12-Demethyl-12-ethyl Avermectin B1a

  • Catalogue No.:PA 09 0321007

  • CAS :

    NA

  • Molecular Formula : C49H74O14

  • Molecular Weight : 887.12

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321008

Delta2-Avermectin B1a

Delta2-Avermectin B1a

  • Catalogue No.:PA 09 0321008

  • CAS :

    110415-68-4

  • Molecular Formula : C48H72O14

  • Molecular Weight : 873.09

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321009

5-O-Demethyl-22,23-dihydro-28-hydroxy-Avermectin A1a

5-O-Demethyl-22,23-dihydro-28-hydroxy-Avermectin A1a

  • Catalogue No.:PA 09 0321009

  • CAS :

    127468-07-9

  • Molecular Formula : C48H74O15

  • Molecular Weight : 891.11

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Drug Reference Standards & Impurity Synthesis in India
PA IPRSI012

Ivermectin (IPRSI012)

Ivermectin (IPRSI012)

  • Catalogue No.:PA IPRSI012

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321010

4a-Hydroxy Ivermectin

4a-Hydroxy Ivermectin

  • Catalogue No.:PA 09 0321010

  • CAS :

    86629-74-5

  • Molecular Formula : C48H74O15

  • Molecular Weight : 891.11

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321011

(Z) 8,9 avermectin B1a solution (100 ug/ml in acetonitrile)

(Z) 8,9 avermectin B1a solution (100 ug/ml in acetonitrile)

  • Catalogue No.:PA 09 0321011

  • CAS :

    113665-89-7

  • Molecular Formula : C48H72O14

  • Molecular Weight : 873.09

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Drug Reference Standards & Impurity Synthesis in India
PA STI 089712

Ivermectin B1b-D2

Ivermectin B1b-D2

  • Catalogue No.:PA STI 089712

  • CAS :

    NA

  • Molecular Formula : C47H70D2O14

  • Molecular Weight : 863.09

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321012

Ivermectin Aglycone

Ivermectin Aglycone

  • Catalogue No.:PA 09 0321012

  • CAS :

    123997-59-1

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA WSM 03209014

Ivermectin (WSM)

Ivermectin (WSM)

  • Catalogue No.:PA WSM 03209014

  • CAS :

    70288-86-7

  • Molecular Formula : C48H74O14 + C47H72O14

  • Molecular Weight : 875.09 + 861.08

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Drug Reference Standards & Impurity Synthesis in India
PA 09 0321013

(2a'E,4'E,8'Z)-6-(Sec-butyl)-7'-((5-((4,5-dimethoxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4-methoxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2a1',3,20'-trihydroxy-5,6',8',18',19'-pentamethyl-2a1',3,4,5,6,6',7',10',11',14',15',17a',18',19',20',20a'-hexadecahydro-2'H,17'H-spiro[pyran-2,13'-[11,15]methano[1,5]dioxacyclooctadecino[9,8,7-cd]benzofuran]-17'-one

(2a'E,4'E,8'Z)-6-(Sec-butyl)-7'-((5-((4,5-dimethoxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4-methoxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2a1',3,20'-trihydroxy-5,6',8',18',19'-pentamethyl-2a1',3,4,5,6,6',7',10',11',14',15',17a',18',19',20',20a'-hexadecahydro-2'H,17'H-spiro[pyran-2,13'-[11,15]methano[1,5]dioxacyclooctadecino[9,8,7-cd]benzofuran]-17'-one

  • Catalogue No.:PA 09 0321013

  • CAS :

    NA

  • Molecular Formula : C50H80O15

  • Molecular Weight : 921.18

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