Carbidopa BP/EP Impurity B
[CAS# 18181-08-3]

Identification

• Name: Carbidopa BP/EP Impurity B
• Synonyms: methyl (2S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate
• Molecular Formula: C₁₁H₁₅NO₄
• Molecular Weight: 225.24
• CAS Registry Number: 18181-08-3
• EC Number: 895-229-3
• SMILES: C[C@](CC1=CC(=C(C=C1)O)O)(C(=O)OC)N

Properties

• Solubility: 4.49e+005 mg/L (25 ºC water)
• Density: 1.3±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.583, Calc.^*
• Melting point: 140.70 ºC
• Boiling Point: 359.53 ºC, 386.9±37.0 ºC (760 mmHg), Calc.^*
• Flash Point: 187.8±26.5 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07 Warning
• Hazard Statements: H302+H312+H332-H315-H319
• Precautionary Statements: P261-P271-P280-P302+P352-P305+P351+P338

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H332
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H302