Caffeic Acid-impurities | Pharmaffiliates

caffeic acid and its Impurities

Caffeic acid is an organic compound that is classified as a hydroxycinnamic acid. This yellow solid consists of both phenolic and acrylic functional groups. It is found in all plants because it is a key intermediate in the biosynthesis of lignin, one of the principal components of woody plant biomass and its residues.. Reference standards of Caffeic Acid API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

Displaying 28 results for caffeic acid Impurities
PA 03 03000

Caffeic Acid - API

Caffeic Acid


  • Catalogue No.:PA 03 03000

  • CAS :

    331-39-5

  • Molecular Formula : C9H8O4

  • Molecular Weight : 180.16

PA 03 03510

3-O-Acetyl Caffeic Acid Methyl Ester 4-O-(Tri-O-acetyl-β-D-glucuronic Acid Methyl Ester)

3-O-Acetyl Caffeic Acid Methyl Ester 4-O-(Tri-O-acetyl-β-D-glucuronic Acid Methyl Ester)


  • Catalogue No.:PA 03 03510

  • CAS :

    NA

  • Molecular Formula : C25H28O14

  • Molecular Weight : 552.48

PA 03 03520

4-O-Acetyl Caffeic Acid Methyl Ester 3-O-(Tri-O-acetyl-β-D-glucuronic Acid Methyl Ester)

4-O-Acetyl Caffeic Acid Methyl Ester 3-O-(Tri-O-acetyl-β-D-glucuronic Acid Methyl Ester)


  • Catalogue No.:PA 03 03520

  • CAS :

    NA

  • Molecular Formula : C18H18O4

  • Molecular Weight : 298.33

PA 03 03530

4-O-Benzyl-caffeic Acid Methyl Ester

4-O-Benzyl-caffeic Acid Methyl Ester


  • Catalogue No.:PA 03 03530

  • CAS :

    948827-72-3

  • Molecular Formula : C17H16O4

  • Molecular Weight : 284.31

PA 03 03540

4-O-Benzyl-caffeic Acid 3-O-Sulfate Methyl Ester Pyridinium Salt

4-O-Benzyl-caffeic Acid 3-O-Sulfate Methyl Ester Pyridinium Salt


  • Catalogue No.:PA 03 03540

  • CAS :

    NA

  • Molecular Formula : C22H21NO7S

  • Molecular Weight : 443.47

PA 03 03550

3-[3,4-Bis(acetyloxy)phenyl]-2-propenoic Acid

3-[3,4-Bis(acetyloxy)phenyl]-2-propenoic Acid


  • Catalogue No.:PA 03 03550

  • CAS :

    88623-81-8

  • Molecular Formula : C13H12O6

  • Molecular Weight : 264.23

PA 03 03560

Caffeic Acid-13C3

Caffeic Acid-13C3


  • Catalogue No.:PA 03 03560

  • CAS :

    1185245-82-2

  • Molecular Formula : C613C3H8O4

  • Molecular Weight : 183.14

PA 03 03570

Caffeic Acid Benzyl Ester

Caffeic Acid Benzyl Ester


  • Catalogue No.:PA 03 03570

  • CAS :

    107843-77-6

  • Molecular Formula : C16H14O4

  • Molecular Weight : 270.28

PA 03 03580

Caffeic Acid Dimethyl Ether Phenethyl Ester

Caffeic Acid Dimethyl Ether Phenethyl Ester


  • Catalogue No.:PA 03 03580

  • CAS :

    145551-14-0

  • Molecular Formula : C19H20O4

  • Molecular Weight : 97

PA 03 03590

Caffeic Acid 3-β-D-Glucuronide

Caffeic Acid 3-β-D-Glucuronide


  • Catalogue No.:PA 03 03590

  • CAS :

    1093679-73-2

  • Molecular Formula : C15H16O10

  • Molecular Weight : 356.28

PA 03 03600

Caffeic Acid 4-β-D-Glucuronide

Caffeic Acid 4-β-D-Glucuronide


  • Catalogue No.:PA 03 03600

  • CAS :

    1093679-71-0

  • Molecular Formula : C15H16O10

  • Molecular Weight : 356.28

PA 03 03610

Caffeic Acid 3-β-D-Glucoside

Caffeic Acid 3-β-D-Glucoside


  • Catalogue No.:PA 03 03610

  • CAS :

    24959-81-7

  • Molecular Formula : C15H18O9

  • Molecular Weight : 342.3

PA 03 03620

Caffeic Acid 3-Methyl Phenethyl Ester

Caffeic Acid 3-Methyl Phenethyl Ester


  • Catalogue No.:PA 03 03620

  • CAS :

    71835-85-3

  • Molecular Formula : C18H18O4

  • Molecular Weight : 298.33

PA 03 03630

Caffeic Acid Methyl Ester

Caffeic Acid Methyl Ester


  • Catalogue No.:PA 03 03630

  • CAS :

    67667-67-8

  • Molecular Formula : C10H10O4

  • Molecular Weight : 194.18

PA 03 03640

Caffeic Acid Methyl Ester 3,4-Di-O-(tri-O-acetyl-β-D-glucuronic Acid Methyl Ester)

Caffeic Acid Methyl Ester 3,4-Di-O-(tri-O-acetyl-β-D-glucuronic Acid Methyl Ester)


  • Catalogue No.:PA 03 03640

  • CAS :

    NA

  • Molecular Formula : C36H42O22

  • Molecular Weight : 826.71

PA 03 03650

Caffeic Acid Phenethyl Ester

Caffeic Acid Phenethyl Ester


  • Catalogue No.:PA 03 03650

  • CAS :

    104594-70-9

  • Molecular Formula : C17H16O4

  • Molecular Weight : 284.31

PA 03 03660

Dihydrocaffeic Acid

Dihydrocaffeic Acid


  • Catalogue No.:PA 03 03660

  • CAS :

    1078-61-1

  • Molecular Formula : C9H10O4

  • Molecular Weight : 182.17

PA 03 03670

Dihydro Caffeic Acid 3-O-β-D-Glucuronide

Dihydro Caffeic Acid 3-O-β-D-Glucuronide


  • Catalogue No.:PA 03 03670

  • CAS :

    1187945-71-6

  • Molecular Formula : C15H18O10

  • Molecular Weight : 358.3

PA 03 03680

Dihydro Caffeic Acid 3-O-Sulfate Sodium Salt

Dihydro Caffeic Acid 3-O-Sulfate Sodium Salt


  • Catalogue No.:PA 03 03680

  • CAS :

    1187945-70-5

  • Molecular Formula : C9H8Na2O7S

  • Molecular Weight : 306.2

PA 03 03690

Ferulic Acid 4-O-β-D-Glucuronide

Ferulic Acid 4-O-β-D-Glucuronide


  • Catalogue No.:PA 03 03690

  • CAS :

    86321-24-6

  • Molecular Formula : C16H18O10

  • Molecular Weight : 370.31

PA 03 03700

Methyl 3-(3',4'-Dimethoxyphenyl)propenoate

Methyl 3-(3',4'-Dimethoxyphenyl)propenoate


  • Catalogue No.:PA 03 03700

  • CAS :

    5396-64-5

  • Molecular Formula : C12H14O4

  • Molecular Weight : 222.24

PA USP1084995

Caffeic Acid (1084995)

Caffeic Acid (1084995)


  • Catalogue No.:PA USP1084995

  • CAS :

    331-39-5

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 03 03710

Caftaric Acid

Caftaric Acid


  • Catalogue No.:PA 03 03710

  • CAS :

    67879-58-7

  • Molecular Formula : C13H12O9

  • Molecular Weight : 312.23

PA 03 03720

Chicoric Acid

Chicoric Acid


  • Catalogue No.:PA 03 03720

  • CAS :

    6537-80-0

  • Molecular Formula : C22H18O12

  • Molecular Weight : 474.37

PA 03 03730

Chlorogenic Acid

Chlorogenic Acid


  • Catalogue No.:PA 03 03730

  • CAS :

    202650-88-2

  • Molecular Formula : C16H18O9

  • Molecular Weight : 354.31

PA 03 0031000

Cimicifugic Acid B

Cimicifugic Acid B


  • Catalogue No.:PA 03 0031000

  • CAS :

    205114-66-5

  • Molecular Formula : C21H20O11

  • Molecular Weight : 448.38

PA 03 0031001

CYCLO(-ALA-GLU)

CYCLO(-ALA-GLU)


  • Catalogue No.:PA 03 0031001

  • CAS :

    16364-36-6

  • Molecular Formula : C8H12N2O4

  • Molecular Weight : 200.19

PA 03 0031002

(-)-Chicoric Acid

(-)-Chicoric Acid


  • Catalogue No.:PA 03 0031002

  • CAS :

    70831-56-0

  • Molecular Formula : C22H18O12

  • Molecular Weight : 474.37