Rosuvastatin Impurity 21
[CAS# 154026-92-3]

Identification

• Name: Rosuvastatin Impurity 21
• Synonyms: tert-butyl (5S)-6-chloro-5-hydroxy-3-oxohexanoate
• Molecular Formula: C₁₀H₁₇ClO₄
• Molecular Weight: 236.69
• CAS Registry Number: 154026-92-3
• EC Number: 880-627-1
• SMILES: CC(C)(C)OC(=O)CC(=O)C[C@@H](CCl)O

Properties

• Solubility: 4.413e+004 mg/L (25 °C water)
• Density: 1.2±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.467, Calc.^*
• Melting point: 85.63 °C
• Boiling Point: 317.17 °C, 331.1±32.0 °C (760 mmHg), Calc.^*
• Flash Point: 154.1±25.1 °C, Calc.^*

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

Safety Data

• Hazard Symbols: GHS06;GHS08 Danger
• Risk Statements: H301-H311-H331-H341
• Safety Statements: P201-P202-P261-P264-P270-P271-P280-P302+P352-P304+P340-P308+P313-P310-P330-P361-P403+P233-P405-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2A	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335