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(R)-(2-chloro-1-methyl-ethyl)-cyanomethyl-carbamic acid benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1240490-37-2

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1240490-37-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240490-37-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,4,9 and 0 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1240490-37:
(9*1)+(8*2)+(7*4)+(6*0)+(5*4)+(4*9)+(3*0)+(2*3)+(1*7)=122
122 % 10 = 2
So 1240490-37-2 is a valid CAS Registry Number.

1240490-37-2Relevant academic research and scientific papers

Synthesis of the azetidinyl-thiazoline fragment of vioprolides A and C

Chopin, Nathalie,Couty, Francois,Evano, Gwilherm

, p. 353 - 359 (2011/04/12)

An efficient synthesis of the azetidinyl-thiazoline fragment of the antifungal and cytotoxic macrolides vioprolides A and C is reported. Key steps of the synthesis include formation of the thiazoline by condensation of NAlloc-trans (2S,4R)-4-methylazetidine-2-carbonitrile with L-cysteine and formation of the four-membered ring by intramolecular alkylation of a suitably protected N-Alloc derivative prepared from (R)-alaninol.

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