D-Biotin 58-85-5

98% up by HPLC, USP/EP

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Product Information

Product name	D-Biotin / Vitamin H / Vitamin B7 / Coenzyme R
CAS No.	58-85-5
Molecular Formula	C10H16N2O3S
Molecular Weight	244.315
Quality Standard	98% up by HPLC, USP/EP
Appearance	White powder

COA of D-Biotin

ITEM	SPECFICATION	RESULTS
Assay	98%-100.5%	99.3^
Characters	White crystalline powder	Conforms
Identification
IR	Match with the reference IR spectrum	Conforms
Specific optical rotation	+89°-+93°	+91°
Reaction time	Be similar to the reference solution	Conforms
Loss on drying	≤0.4%	0.09%
Related substances
Any impurity	≤1.0%	0.03%
Total impurities	≤2.0%	0.11%
Microbial Test
Total Plate Count	<1000cfu/g	245 cfu/g
Yeast & Mold	<100cfu/g	30 cfu/g
Escherichia coli	Negative/g	Negative
Staphylococcus aureus	Negative/g	Negative
Pseudomonas aeruginosa	Negative/g	Negative
Entericbacteria	Negative/g	Negative
Salmonella	Negative/10g	Negative
Conclusion	Conforms with USP40 standard

Usage

D-Biotin, also known as vitamin H or coenzyme R, is a water-soluble B-vitamin (vitamin B7).
It is composed of a ureido (tetrahydroimidizalone) ring fused with a tetrahydrothiophene ring. A valeric acid substituent is attached to one of the carbon atoms of the tetrahydrothiophene ring. Biotin is a coenzyme for carboxylase enzymes, involved in the synthesis of fatty acids, isoleucine, and valine, and in gluconeogenesis.

Function of D-Biotin

1) Vitamin B7 (D-biotin) is the essential Nutrients of the retina,the Biotin deficiency could cause the dry eyes, keratization,inflammation, even blindness.

2) Vitamin B7 D-biotin) deficiency will cause reproductive functions recession, bad bone growth and the obstruction of embryo and early childhood growth.

3)Vitamin B7 (D-biotin) is used in skin care and hair care products with the function of skin whitening and nails smooth, and it has the effect of hair care and hair growth.