Norgestrel
[CAS# 6533-00-2]

Identification

• Classification: API >> Hormone and endocrine-regulating drugs >> Birth control pills
• Name: Norgestrel
• Synonyms: DL-13b-Ethyl-17a-ethynyl-17b-hydroxygon-4-en-3-one
• Molecular Formula: C₂₁H₂₈O₂
• Molecular Weight: 312.45
• CAS Registry Number: 6533-00-2
• EC Number: 229-433-5

Properties

• Melting point: 239-241 ºC

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R20/21/22;R40
• Safety Description: S22;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Carcinogenicity	Carc.	2	H351
Reproductive toxicity	Lact.	-	H362
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Reproductive toxicity	Repr.	1A	H360
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Specific target organ toxicity - repeated exposure	STOT RE	2	H373