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Merck
CN

C8731

Calcium pantothenate

meets USP testing specifications, monograph mol wt. 476.53 (C18H32CaN2O10)

Synonym(s):

D-Pantothenic acid hemicalcium salt, (R)-(+)-N-(2,4-Dihydroxy-3,3-dimethyl-1-oxobutyl)-β-alanine hemicalcium salt, Calcium D-pantothenate, Vitamin B5

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About This Item

Linear Formula:
HOCH2C(CH3)2CH(OH)CONHCH2CH2CO2 ·1/2Ca
CAS Number:
137-08-6
Molecular Weight:
238.27
NACRES:
NA.21
PubChem Substance ID:
24893098
eCl@ss:
34058012
UNSPSC Code:
12352205
EC Number:
205-278-9
MDL number:
MFCD00002766
Beilstein/REAXYS Number:
3769272

Key Documents

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Product Name

Calcium pantothenate, meets USP testing specifications, monograph mol wt. 476.53 (C18H32CaN2O10)

InChI key

FAPWYRCQGJNNSJ-UBKPKTQASA-L

InChI

1S/2C9H17NO5.Ca/c2*1-9(2,5-11)7(14)8(15)10-4-3-6(12)13;/h2*7,11,14H,3-5H2,1-2H3,(H,10,15)(H,12,13);/q;;+2/p-2/t2*7-;/m00./s1

SMILES string

CC(C)(CO)[C@@H](O)C(=O)NCCC(=O)O[Ca]OC(=O)CCNC(=O)[C@H](O)C(C)(C)CO

biological source

synthetic (organic)

agency

USP/NF
meets USP testing specifications

form

crystalline
powder

mol wt

monograph mol wt. 476.53 (C18H32CaN2O10)

technique(s)

cell culture | mammalian: suitable
cell culture | plant: suitable

color

white

application(s)

pharmaceutical (small molecule)

storage temp.

2-8°C

Quality Level

200

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Application

Calcium pantothenate has been used:
  • as a component of vitamin solution for synthetic media
  • as a component of vitamin mix for the ICS medium mix
  • as a component of a chemically defined diet for metal depletion studies in Drosophila
  • as a supplement to study coenzyme A metabolism in mouse models of non-alcoholic steatohepatitis
Precursor in the biosynthesis of coenzyme A.

Biochem/physiol Actions

The calcium salts of panthenol are commonly used for pharmaceutical preparations. Pantothenate is a component of coenzyme A and is useful in its synthesis. Pantothenic acid is also involved in the synthesis of heme, cholesterol and fatty acids. Since vitamin B5 is found in all foods, its deficiency is not commonly observed.

General description

Due to the unstable, hygroscopic nature of the free acid, the calcium salt is employed.
Vitamin B5 or pantothenic acid is a viscous oil that is soluble in ethanol and water. It is produced by plants and microorganisms. d-(+)pantothenic acid is the naturally occurring form of pantothenic acid and is biologically active.

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
WXBF5864V
WXBF3062V
WXBF3996V
WXBD2186V
WXBD8805V

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Nohr D and Biesalski HK
Reference Module in Life Sciences (2016)
Vitamin B5 and N-acetylcysteine in nonalcoholic steatohepatitis: a preclinical study in a dietary mouse model
Machado MV, et al.
Digestive Diseases and Sciences, 61(1) (2016)
Long-term in vitro Culture of Cryptosporidium parvum
Yarlett N and Morada M
Bio-protocol, 8(15) (2018)
Salway JG
Medical Biochemistry (2011)
Rice vitamins
Ghosh S, et al.
Rice (New York, N.Y.) (2019)
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