(S)-(-)-2-Pyrrolidinone-5-carboxylic acid 98%
Fornitore: Thermo Fisher Scientific
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Pericolo
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Synonyms:
L-Pyroglutamic Acid, (S)-(-)-2-Pyrrolidone-5-carboxylic acid, H-Pyr-OH, (S)-5-Oxopyrrolidine-2-carboxylic acid
Formula:
C₅H₇NO₃ Punto di fusione: 152…162 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00005272 CAS Number: 98-79-3 EINECS: 202-700-3 |
Risultati del test di specificazione
Appearance | White to off-white Crystalline powder |
Infrared spectrum | Conforms |
Water | ≤0.5 % (K.F.) |
Specific optical rotation | -26° to -29° (20°C, 589 nm) (c=10, 1N NaOH) (on dry substance) |
Titration with NaOH | ≥97.5 % (On dry substance) |
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