D(-)-β-mercaptovaline 99%, Conforme aux spécifications analytiques Ph. Eur., USP
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Danger
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Synonyme(s):
H-D-Pen-OH, (S)-2-Amino-3-mercapto-3-methylbutanoic acid, Penicillamine
Formule:
C₅H₁₁NO₂S Poids moléculaire: 149.2 g/mol Point de fusion: 212 °C (déc.) Température de stockage: Réfrigérateur |
Numéro MDL:
MFCD00064302 Numéro CAS: 52-67-5 EINECS: 200-148-8 |
Résultats des tests de spécification
Appearance | White to almost white Powder |
Infrared spectrum | Conforms |
Assay | 97.0 to 102.0 % (USP) |
Loss on drying | ≤0.5 % (60°C, 3 h) (vacuum) |
UV | at 268 nm A: ≤0.07 (0.1 g in 50 ml water) |
Appearance of solution | Passes test |
Identification A | Passes test |
Identification B | Passes test |
Identification C | Passes test |
Identification D | Passes test |
Residue after ignition | ≤0.1 % |
pH | 4.5 to 5.5 (1 g in 100 ml water) |
Specific optical rotation | -60.5° to -65.0° (20°C, 589 nm) (0.5g in 10 ml 1N NaOH) |
Titration with HClO4 | 98.0 to 101.0 % (EP) |
Mercury (Hg) | ≤0.001 % |
Impurity | ≤0.1 % (Penicillin) |
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