Shanghai Nianxing Industrial Co., Ltd
China
Product Name: methyl n-boc-l-proline-3-ene
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: (S)-1-TERT-BUTYL 2-METHYL 1H-PYRROLE-1,2(2H,5H)-DICARBOXYLATE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

74844-93-2

74844-93-2 structure

74844-93-2 structure

Name: methyl n-boc-l-proline-3-ene
Chemical Name: 1-O-tert-butyl 2-O-methyl (2S)-2,5-dihydropyrrole-1,2-dicarboxylate
CAS Number: 74844-93-2
Molecular Formula: C₁₁H₁₇NO₄
Molecular Weight: 227.257
Catalog: Biochemical Amino acids and their derivatives Proline derivatives
Create Date: 2018-06-15 10:52:54
Modify Date: 2025-08-25 12:01:26

Name	1-O-tert-butyl 2-O-methyl (2S)-2,5-dihydropyrrole-1,2-dicarboxylate
Synonyms	1H-Pyrrole-1,2-dicarboxylic acid, 2,5-dihydro-, 1-(1,1-dimethylethyl) 2-methyl ester, (2S)- N-Boc-L-proline-3-ene methyl (2S)-N-tert-butyloxycarbonyl-3,4-dehydroprolinate (S)-N-Boc-3,4-dehydroprolone methyl ester 1-TERT-BUTYL 2-METHYL (2S)-2,5-DIHYDRO-1H-PYRROLE-1,2-DICARBOXYLATE (2S)-N-(tert-Butoxycarbonyl)-2-methoxycarbonyl-3-pyrroline (S)-N-Boc-3,4-didehydroproline methyl ester N-Boc-3,4-dehydro-L-proline methyl ester 2-Methyl 1-(2-methyl-2-propanyl) (2S)-2,5-dihydro-1H-pyrrole-1,2-dicarboxylate (S)-1-tert-Butyl 2-methyl 1H-pyrrole-1,2(2H,5H)-dicarboxylate methyl N-BOC-3,4-didehydro-(S)-prolinate Boc-3,4-dehydro-L-proline methyl ester N-BOC-3,4-didehydro-(S)-proline methyl ester (S)-2,5-Dihydro-pyrrole-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester Methyl n-boc-l-proline-3-ene

Density	1.1±0.1 g/cm3
Boiling Point	287.3±40.0 °C at 760 mmHg
Molecular Formula	C₁₁H₁₇NO₄
Molecular Weight	227.257
Flash Point	127.6±27.3 °C
Exact Mass	227.115753
PSA	55.84000
LogP	0.99
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.492
Storage condition	Store at 0-5°C

Hazard Codes	Xi
HS Code	2933990090

Precursor 10
186581-53-3 51154-06-4 83548-49-6 74844-91-0
18107-18-1 74-88-4 189160-59-6 84520-67-2
462125-00-4 102195-80-2
DownStream 3
51154-06-4 90104-21-5 203866-13-1

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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