Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Benzenebutanoicacid,b-[[(1,1-diMethylethoxy)carbonyl]aMino]-2,4,5-trifluoro-,Methylester,(bR)-
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Benzenebutanoicacid,b-[[(1,1-dimethylethoxy)carbonyl]amino]-2,4,5-trifluoro-,Methylester,(bR)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

881995-73-9

881995-73-9 structure

881995-73-9 structure

Name: Benzenebutanoicacid,b-[[(1,1-dimethylethoxy)carbonyl]amino]-2,4,5-trifluoro-,Methylester,(bR)-
Chemical Name: 3-(R)-Boc-amino-4-(2,4,5-trifluoro-phenyl)butyric acid methyl ester
CAS Number: 881995-73-9
Molecular Formula: C₁₆H₂₀F₃NO₄
Molecular Weight: 347.33000
Create Date: 2016-05-30 14:32:53
Modify Date: 2025-09-18 19:01:12

Name	3-(R)-Boc-amino-4-(2,4,5-trifluoro-phenyl)butyric acid methyl ester
Synonyms	(R)-Sitagliptin N-Boc-Methyl-Ester Impurity

Molecular Formula	C₁₆H₂₀F₃NO₄
Molecular Weight	347.33000
Exact Mass	347.13400
PSA	64.63000
LogP	3.49370

1276113-62-2 structure

1276113-62-2

~78%

881995-73-9 structure

881995-73-9

Literature: Zhejiang Jiuzhou Pharmaceutical Co., Ltd. Patent: EP2481722 A1, 2012 ; Location in patent: Page/Page column 10 ;

Precursor 1
1276113-62-2
DownStream 2
486460-00-8 1048703-14-5

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