| CAS No.: | 58-85-5 |
|---|---|
| Formula: | C10h16n2o3s |
| EINECS: | 200-399-3 |
|
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The details of Factory supply D-Biotin (Vitamin H) 99% CAS No. 58-85-5 with best price
Product Name: D-Biotin
Synonyms: RONACARE(TM) BIOTIN PLUS;PHOTOPROBE(R) BIOTIN;D-(+)-Biotin,98+%;D-BIOTIN, 1%, 2% (VITAMIN H);ETHYLPHENYLETHANOL;(+)-Biotin , Vitamin B7, Coenzyme R;1H-Thieno3,4-dimidazole-4-pentanoic acid, hexahydro-2-oxo-, (3aS,4S,6aR)-;BIOTIN,POWDER,FCC
CAS: 58-85-5
MF: C10H16N2O3S
MW: 244.31
EINECS: 200-399-3
Melting point 231-233 °C(lit.)
alpha 89 º (c=1, 0.1N NaOH)
Boiling point 573.6±35.0 °C(Predicted)
density 1.2693 (rough estimate)
refractive index 90.5 ° (C=2, 0.1mol/L NaOH)
storage temp. -20°C
solubility H2O: 0.2 mg/mL Solubility increases with addition of 1 N NaOH.
pka 4.74±0.10(Predicted)
form powder
Specification of Factory supply D-Biotin (Vitamin H) 99% CAS No. 58-85-5 with best price
| Item | Specification | Result |
| Appearance | White or off-white crystalline powder | Conform |
| Identification | A.Infrared Absorption C.The retention time of the major peak of the Sample solution corresponds to that of the Standard solution m as obtained in the Assay |
Conform |
| Specific Rotation | +89°~+93° | +90.5° |
| Organic volatile impurity | Meets USP requirement | Conform |
| Assay (HPLC) | 97.5~100.5% | 99.9% |
| Loss on Drying | ≤0.5% | 0.06% |
| Heavy Metal | ≤10 mg/kg | <10 mg/kg |
| Related substances | Individual impurity not more than 1.0%; Total impurities not more than 2.0% |
Conform |
Application of Factory supply D-Biotin (Vitamin H) 99% CAS No. 58-85-5 with best price
Plays an indispensable role in numerous naturally occurring carboxylation reactions. Occurs mainly bound to proteins or polypeptides. The richest sources are liver, kidney, pancreas, yeast, and milk. The biotin content of cancerous tumors is higher than that of normal tissue.
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