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You are here:Home » Molecular Biology » MB-Coenzymes » Coenzyme A, Free Acid (CoA, CoASH, HSCoA)

Coenzyme A, Free Acid (CoA, CoASH, HSCoA)


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A co-factor in enzymatic acetyl transfer reactions. Coenzyme A (CoA, CoASH, or HSCoA) is a coenzyme, notable for its role in the synthesis and oxidation of fatty acids, and the oxidation of pyruvate in the citric acid cycle. Coenzyme A is adapted from cysteamine, pantothenate, and adenosine triphosphate. Since coenzyme A is chemically a thiol, Coenzyme A can react with carboxylic acids to form thioesters, thus functioning as an acyl group carrier. Coenzyme A assists in transferring fatty acids from the cytoplasm to mitochondria. A molecule of coenzyme A carrying an acetyl group is also referred to as acetyl-CoA. When Coenzyme A is not attached to an acyl group it is usually referred to as 'CoASH' or 'HSCoA'
Catalog #C7505-50B
UV Spectral Analysis (pH 7.5)A250/A260 (0.78 ± 0.03)
A280/A260 (0.16 ± 0.03)
Water 8% by Karl Fischer
ApplicationSuitable for use as a calibrator or control serum.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
CAS Number85-61-0
Molecular FormulaC21H36N7O16P3S
Molecular Weight767.53 anhy
Purity75% when determined by enzymatic analysis with phosphotransacetylase at pH 7.5.
FormSupplied as a lyophilized powder.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate namesYeast

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