D-(-)-Aspartic acid 99+%
Supplier: Thermo Scientific
Synonyms:
D(-)-2-Amino-1,4-butanedioic acid, (R)-(-)-2-Amino-1,4-butanedioic acid, (R)-(-)-Aspartic acid, (R)-2-Aminosuccinic acid, H-D-Asp-OH
204260250
204260050
204261000
ACRO204260250EA
139
GBP
ACRO204260250
ACRO204260050
ACRO204261000
D-(-)-Aspartic acid 99+%
D(-)-Aspartic acid
Formula:
C₄H₇NO₄ MW: 133,1 g/mol Melting Pt: >300 °C Storage Temperature: Ambient |
MDL Number:
MFCD00063081 CAS Number: 1783-96-6 EINECS: 217-234-6 Merck Index: 13,00845 |
Specification Test Results
Appearance | White to off-white Crystalline powder |
Infrared spectrum | Conforms |
Loss on drying | ≤0.4 % (105°C, 3 hrs) |
Enantiomeric excess | ≤0.5 % (L-enantiomer) |
Residue after ignition | ≤0.1 % |
Specific optical rotation | -23.8° to -25.8° (20°C, 589 nm) (c=5, 5 N HCl) |
Titration with NaOH | ≥99.0 % |
Other amino acids | ≤0.3 % (TLC) |
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