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D-泛酸钙（维生素 B5） D-Pantothenic acid(Vitamin B5)

产品说明:

Calcium pantothenate

meets USP testing specifications, monograph mol wt. 476.53 (C 18 H 32 CaN 2 O 10 )

Synonym ： (R)-(+)-N-(2,4-Dihydroxy-3,3-dimethyl-1-oxobutyl)-β-alanine hemicalcium salt

D-Pantothenic acid hemicalcium salt

Calcium D-pantothenate

Vitamin B5

Molecular Formula ： HOCH 2 C(CH 3 ) 2 CH(OH)CONHCH 2 CH 2 CO 2 ·1/2Ca

Molecular Weight: 238.27

CAS Number: 137-08-6

Properties:

grade ……………………………………………meets USP testing specifications

mol wt ……………………………………………monograph mol wt. 476.53 (C 18 H 32 CaN 2 O 10 )

storage temp……………………………………2-8°C

TEST	SPECIFICATION
IDENTITY	PASS
SPECIFIC ROTATION	+25.0 DEG TO +27.5 DEG
ALKALINITY	PASS
LOSS ON DRYING	NMT 5.0%
HEAVY METALS	NMT 0.002%
ORDINARY IMPURITIES	NMT 1.0%
ORGANIC VOLATILE IMPURITIES	METHOD I TESTING
NITROGEN CONTENT	5.7% TO 6.0% (DRY BASIS)
CALCIUM CONTENT	8.2% TO 8.6% (DRY BASIS)
RECOMMENDED RETEST	5 YEARS

用途 : 配制组织培养基。生化研究。营养剂。

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