S-(Carboxymethyl)-L-cysteine 98%
Fornitore: Thermo Scientific
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Attenzione
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Synonyms:
3-[(Carboxymethyl)thio]alanine, Carbocisteine, Carbocysteine
225810250
225811000
225810010
225810050
ACRO225810250EA
83
EUR
ACRO225810250
ACRO225811000
ACRO225810010
ACRO225810050
S-(Carboxymethyl)-L-cysteine 98%
S-(Carboxymethyl)-L-cysteine
CAS No.: 638-23-3
Formula:
C₅H₉NO₄S Peso molecolare: 179,19 g/mol Punto di fusione: 205…207 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00002614 CAS Number: 638-23-3 |
Risultati del test di specificazione
Appearance | White to off-white Powder |
Infrared spectrum | Conforms |
Loss on drying | ≤0.5 % (105°C, 3 hrs) |
TLC | ≥97.5 % |
Appearance of solution | (1% soln. in 0.1 N HCl, gently warmed): clear colorless |
Residue after ignition | ≤0.2 % |
Specific optical rotation | -29° to -33° (20°C, 589 nm) (c=1, 10% NaHCO3) |
Titration with HClO4 | ≥97.5 % |
Chloride (Cl) | ≤1000 ppm |
Iron (Fe) | ≤5 ppm |
Heavy metals (as Pb) | ≤10 ppm |
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