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56970-78-6

56970-78-6 structure
56970-78-6 structure
  • Name: Captopril EP Impurity D
  • Chemical Name: 3-bromo-2-methylpropionic acid
  • CAS Number: 56970-78-6
  • Molecular Formula: C4H7BrO2
  • Molecular Weight: 167.00100
  • Catalog: analytical chemistry Standard Pharmacopoeia Standards and Magazine Standards
  • Create Date: 2018-02-23 08:00:00
  • Modify Date: 2024-01-02 17:32:22
  • Captopril EP Impurity D is an impurity of Captopril. Captopril (SQ-14534), antihypertensive agent, is a thiol-containing competitive, orally active angiotensin-converting enzyme (ACE) inhibitor (IC50=0.025 μM)[1][2][3].

Name 3-bromo-2-methylpropionic acid
Synonyms methacrylic acid acid
3-BROMO-2-METHYL-PROPANOIC ACID
2-methyl 3-bromopropanoic acid
2-METHYL-3-BROMOPROPIONIC ACID
3-broMo-2-Methylbutanoate
3-BROMOISOBUTYRIC ACID
Methyl-3-bromopropionicacid
Density 1.625g/cm3
Boiling Point 230.5ºC at 760mmHg
Molecular Formula C4H7BrO2
Molecular Weight 167.00100
Flash Point 93.2ºC
Exact Mass 165.96300
PSA 37.30000
LogP 1.10200
Index of Refraction 1.453
Hazard Codes C
RIDADR 3265
Packaging Group II
HS Code 2915900090
HS Code 2915900090
Summary 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%