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S-(Carboxymethyl)-L-cysteine 98%

Fornitore: Thermo Scientific
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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

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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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