Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3, 4-Dehydroproline
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3220-74-4

3220-74-4 structure

3220-74-4 structure

Name: 3, 4-Dehydroproline
Chemical Name: Proline, 3,4-didehydro
CAS Number: 3220-74-4
Molecular Formula: C₅H₇NO₂
Molecular Weight: 113.11500
Create Date: 2016-07-04 11:11:29
Modify Date: 2025-09-18 19:33:44

Names
Properties

Name	Proline, 3,4-didehydro
Synonyms	1H-Pyrrole-2-carboxylic acid,2,5-dihydro-(9ci) 2,5-Dihydro-1H-pyrrole-carboxylic acid 3-Pyrroline-2-carboxylic acid (8ci) Dehydroproline

Density	1.252g/cm3
Boiling Point	279.3ºC at 760mmHg
Molecular Formula	C₅H₇NO₂
Molecular Weight	113.11500
Flash Point	122.7ºC
Exact Mass	113.04800
PSA	49.33000

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