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: (S)-4-Oxo-2-azetidinecarboxylicacidmethylester
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

100188-44-1

100188-44-1 structure

100188-44-1 structure

Name: (S)-4-Oxo-2-azetidinecarboxylicacidmethylester
Chemical Name: methyl (S)-(-)-2-oxoazetidine-4-carboxylate
CAS Number: 100188-44-1
Molecular Formula: C₅H₇NO₃
Molecular Weight: 129.11400
Create Date: 2017-02-15 11:14:50
Modify Date: 2025-09-21 12:22:55

Name	methyl (S)-(-)-2-oxoazetidine-4-carboxylate
Synonyms	methyl (4S)-2-oxoazetidine-4-carboxylate (S)-methyl 4-oxoazetidine-2-carboxylate (S)-4-methoxycarbonyl-2-azetidinone methyl L-azetidinon-2-carboxylate

Molecular Formula	C₅H₇NO₃
Molecular Weight	129.11400
Exact Mass	129.04300
PSA	55.40000

HS Code	2933790090

Precursor 0
DownStream 1
16404-94-7

HS Code	2933790090
Summary	2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

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