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99333-35-4

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99333-35-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99333-35-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,3,3 and 3 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99333-35:
(7*9)+(6*9)+(5*3)+(4*3)+(3*3)+(2*3)+(1*5)=164
164 % 10 = 4
So 99333-35-4 is a valid CAS Registry Number.

99333-35-4Relevant articles and documents

One-Pot Synthesis of Functionalized β-Fluoroalkylated Mannich-Type Products from N-Aryl N,O-Acetals

Wunder, Swetlana,Deutsch, Amrei,Deutsch, Carl,Hoffmann-R?der, Anja

, p. 1167 - 1176 (2016/05/11)

A variety of functionalized β-amino-β-fluoroalkyl carbonyl compounds are accessible via a novel one-pot Mannich-type reaction of CF2- and CF3-containing N-aryl N,O-acetals with lithium enolates of ketones, esters, and nitriles. The resulting β-fluoroalkylated β-aminocarbonyl compounds are promising peptide surrogates to be used in drug development and for biological applications.

Nucleophilic reactions with α-trifluoromethyl imine and N,O-disubstituted aminal: Synthesis of β-trifluoromethyl β-anilino esters

Gong, Yuefa,Kato, Katsuya

, p. 77 - 80 (2007/10/03)

The Reformatsky reaction with 4-methoxy-N-(2,2,2-trifluoroethylidene)aniline (1) proceeds under mild conditions to yield ethyl 4,4,4-trifluoro-3-(N-4-methoxyphenyl)amino-2-alkylbutyrate (5) and 4-trifluoromethyl-3-alkyl-1-(4-methoxyphenyl)-2-azetidinone (

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