Erlotinib intermediates manufacturer
CAS No.: 58-85-5
Other Names: Vitamin H
MF: C10H16N2O3S
Place of Origin: Shaanxi, China (Mainland)
Type: Vitamins, Amino Acids and Coenzymes
Grade Standard: Food Grade, Medicine Grade
Purity: 99%min
product: D-biotin
Appearance: White or almost white crystalline powder
Test method: HPLC
Assay: 97.5-100.5%
Specific rotation: +89°- +93°
MOQ: 1KG
Package: 1kg/tin/5kg/tin
shelf life: Two years
Supply Ability: 1000 Kilogram/Kilograms per Month
Packaging Details:
1kg/tin or 5kg/tin/carton
Biotin Cas 58-85-5
Port: Shanghai/Tianjin/Beijing
| Items | Specification |
| Description | White or almost white crystalline powder |
| Identification (IR) | Match with the reference IR Spectrum |
| Retention time | Should be similar to that of the reference solution |
| Specific rotation | +89°- +93° |
| Assay | 97.5-100.5% |
| Loss on drying:(%) | ≤0.4% |
| Residual solvents | Benzene ≤2ppm Toluene ≤100ppm DMSO ≤5000ppm |
| Any impurity | ≤1.0% |
| Total impurities | ≤2.0% |
| Total plate count | 1000cfu/g |
| Molds & Yeast | 100cfu/g |
| E.Coli | Negative |
| Staphylococcus aureus | Negative |
| Pseudomonas aeruginosa | Negative |
| Enterobacteria | Negative |
| Salmonella species | Negative |
