R-(-)-3-(Carbamoylmethyl)-5-methylhexanoic acid manufacturer CAS:181289-33-8
Sep 10th, 2022 at 04:16 Biological and Pharmaceutical Chemicals Seymour 42 views Reference: qM7e58P8d2vLocation: Seymour
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Chemical Name:R-(-)-3-(Carbamoylmethyl)-5-methylhexanoic acid
CAS.NO:181289-33-8
Synonyms:
(3R)-3-(2-AMino-2-oxoethyl)-5-Methylhexanoic Acid
(R)-(-)-3-(carbamoylmethyl)-5-methylhexanoic acid
3-CarbaMoyl Mehyl-5-Methyl Hexanoic Acid
(r)-(-)-3-(2-amino-2-oxoethyl)-5-methylhexanoic acid
(3R)-3-(carbamoylmethyl)-5-methylhexanoic acid
(r)-(-)-3-carbamoymethyl-5-methylhexanoic acid
INTERMEDIATE OF PREGABALIN
Molecular Formula: C9H17NO3
Molecular Weight: 187.23600
Physical and Chemical Properties:
Density: 1.081g / cm3
Boiling point: 401.929ºC at 760 mmHg
Melting point: 128-133ºC
Flash point: 196.88ºC
Refractive index: 1.475
Specification:
Appearance: White to off-white crystalline powder
Purity:≥99%
Loss On Drying: < 0.30%
Heavy metal: < 20ppm
Impurity: <0.5%
Packing:
25kg cardboard drum or according to customer specified requirements
Storage:Stored in a cool and dry well-closed container. Keep away from moisture and strong light/heat.
Application:intermediates of Pregabalin CAS:148553-50-8
Items of Analysis | Standard of Analysis | Test Results |
Appearance | White crystalline powder | White crystalline powder |
Identification (HPLC) | Complies | Complies |
Solubility | Soluble in methanol | Complies |
Melting point | 127.0-133.0℃ | 132.0-132.5℃ |
Residueon ignition | ≤0.15% | 0.04% |
Loss on drying | ≤0.5% | 0.02% |
S-isomer | ≤1.0% | ND |
Purity(HPLC) | ≥99.0% | 99.80% |
α-phenylethylamine | ≤0.5% | 0.01% |
3-Isobutylpentanedioic acid | ≤0.5% | ND |
3-Isobutylglutarimide | ≤0.5% | 0.01% |
Any single impurity | ≤0.5% | 0.08% |
Assay(HPLC) | 98.0-102.0% | 99.7% |
Conclusion | Conforms to Factory Standard |
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