Trouver Intermédiaire Pharmaceutique, Acide Aminé, Matière Première Pharmaceutique dans le répertoire Industry, Reliable Fabricant / Fournisseur / Factory de Chine
nouveaux produits
Type de paiement: | T/T |
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Quantité de commande minimum: | 1000 |
Délai de livraison: | 1 jours |
Modèle: amino acids
Product: N-Acetyl-L-Cysteine | |||||
Item |
Specification |
Result |
Methods |
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Appearance |
White crystals or crystalline powder |
Conforms |
Visual |
||
Identification |
Infrared Absorption |
Conforms |
IR |
||
Assay |
98.0 to 102.0% |
99.80% |
USP- ASSAY |
||
(Calculated on the dried basis) | |||||
Specific rotation [α] 25D |
+21.0°to +27.0° |
+23.1° |
USP-781S |
||
pH |
2.0 to 2.8 |
2.2 |
USP- 791 |
||
Loss on Drying |
Not more than 1.0 % |
0.16% |
USP-731 |
||
Residue on ignition |
Not more than 0.5% |
0.05% |
USP-281 |
||
Heavy metals (Pb) |
Not more than 0.001%(10ppm) |
<0.001% (10ppm) |
USP-231 |
||
Lead |
Not more than 3ppm |
<3ppm |
AFS |
||
Residual Solvents |
Meets the requirements |
Meet the requirements |
USP |
||
Total plate count |
Less than 10000 cfu/g |
Conforms |
CP |
||
Yeast & molds |
Less than 1000 cfu/g |
Conforms |
CP |
||
Coliforms: |
Less than 10 cfu/g |
Conforms |
CP |
||
E Coli |
Negative |
Negative |
CP |
||
Salmonella |
Negative |
Negative |
CP |
||
Pseudomonas |
Negative |
Negative |
CP |
||
S.Aureus |
Negative |
Negative |
CP |
||
Conclusion :Agree with the specification of USP37. |
Groupes de Produits : Intermédiaire pharmaceutique