S-(Carboxymethyl)-L-cysteine 98%
Dodavatel: Thermo Scientific
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Varování
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Synonyms:
3-[(Carboxymethyl)thio]alanine, Carbocisteine, Carbocysteine
225810250
225811000
225810010
225810050
ACRO225810250EA
2900
CZK
ACRO225810250
ACRO225811000
ACRO225810010
ACRO225810050
S-(Carboxymethyl)-L-cysteine 98%
S-(Carboxymethyl)-L-cysteine
CAS No.: 638-23-3
Vzorec:
C₅H₉NO₄S MW: 179,19 g/mol Bod tání: 205…207 °C Storage Temperature: Ambient |
MDL Number:
MFCD00002614 CAS číslo: 638-23-3 |
Výsledky specifikačního testu
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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