D-(-)-Penicillamine 99%, meets analytical specification of Ph. Eur., USP

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Synonyms: H-D-Pen-OH(S)-2-Amino-3-mercapto-3-methylbutanoic acid

AC12974-0250 AC12974-0050
200030-846EA 101 USD
200030-846 200043-072
D-(-)-Penicillamine 99%, meets analytical specification of Ph. Eur., USP
D(-)-Penicillamine
Formula: C₅H₁₁NO₂S
MW: 149.2 g/mol
Melting Pt: 212 °C (dec.)
Storage Temperature: Refrigerator
MDL Number: MFCD00064302
CAS Number: 52-67-5
EINECS: 200-148-8

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Specification Test Results

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 ≤1 % (Penicillamine disulfide)
Impurity ≤0.1 % (Penicillin)

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