Enzalutamide Impurity B
[CAS# 1839619-50-9]

Identification

• Name: Enzalutamide Impurity B
• Synonyms: 1,3-Bis(4-cyano-3-(trifluoromethyl)phenyl)thiourea
• Molecular Formula: C₁₇H₈F₆N₄S
• Molecular Weight: 414.33
• CAS Registry Number: 1839619-50-9
• EC Number: 857-319-0
• SMILES: C1=CC(=C(C=C1NC(=S)NC2=CC(=C(C=C2)C#N)C(F)(F)F)C(F)(F)F)C#N

Properties

• Density: 1.5±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.581, Calc.^*
• Boiling Point: 483.1±55.0 °C (760 mmHg), Calc.^*
• Flash Point: 246.0±31.5 °C, Calc.^*

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

Safety Data

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

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315