5,10-Dihydro-2-methyl-4H-thieno[2,3-b][1,5]benzodiazepin-4-one
[CAS# 221176-49-4]

Identification

• Classification: Analytical chemistry >> Standard >> Pharmacopoeia standards and magazine standards
• Name: 5,10-Dihydro-2-methyl-4H-thieno[2,3-b][1,5]benzodiazepin-4-one
• Synonyms: LY 301664
• Molecular Formula: C₁₂H₁₀N₂OS
• Molecular Weight: 230.29
• CAS Registry Number: 221176-49-4
• EC Number: 629-926-9

Properties

• Solubility: Very slightly soluble (0.62 g/L) (25 °C), Calc.^*
• Density: 1.292±0.06 g/cm³ (20 °C 760 Torr), Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2019 ACD/Labs)

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Specific target organ toxicity - single exposure	STOT SE	3	H336
Eye irritation	Eye Irrit.	2	H319
Skin sensitization	Skin Sens.	1	H317
Acute toxicity	Acute Tox.	3	H301
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410