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Merck
CN

1086039

USP

Caftaric acid

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

2-Caffeoyl-L-tartaric acid

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About This Item

Empirical Formula (Hill Notation):
C13H12O9
CAS Number:
67879-58-7
Molecular Weight:
312.23
MDL number:
MFCD02094177
UNSPSC Code:
41116107
PubChem Substance ID:
329749196
NACRES:
NA.24

Key Documents

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grade

pharmaceutical primary standard

API family

caftaric acid

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

O[C@H]([C@@H](OC(=O)\C=C\c1ccc(O)c(O)c1)C(O)=O)C(O)=O

InChI

1S/C13H12O9/c14-7-3-1-6(5-8(7)15)2-4-9(16)22-11(13(20)21)10(17)12(18)19/h1-5,10-11,14-15,17H,(H,18,19)(H,20,21)/b4-2+/t10-,11-/m1/s1

InChI key

SWGKAHCIOQPKFW-JTNORFRNSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Caftaric acid USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Echinacea angustifolia
  • Echinacea pallida
  • Echinacea purpurea Aerial Parts
  • Echinacea purpurea Root
  • Echinacea Species Dry Extract Capsules
  • Echinacea Species Dry Extract Tablets
  • Echinacea Species Powder Capsules

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

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Protocols

HPLC Analysis of Polyphenols in Nero d'Avola Red Wine on Discovery® HS C18 (UV 280 nm)

HPLC Analysis of Polyphenols in Nero d'Avola Red Wine on Discovery® HS C18 (UV 280 nm)

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