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3695-79-2

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3695-79-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3695-79-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,9 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3695-79:
(6*3)+(5*6)+(4*9)+(3*5)+(2*7)+(1*9)=122
122 % 10 = 2
So 3695-79-2 is a valid CAS Registry Number.

3695-79-2Relevant articles and documents

Sulfonic acid esters

-

, (2008/06/13)

A novel process for the amidation or esterification which comprises reacting a compound having a carboxy group with a compound having an amino or imino group which can be acylated or with a compound having a hydroxy group in the presence of a sulfonic acid ester of the formula: wherein R1 is an organic group and R2 O-- is a residue of a strongly acidic N-hydroxy compound as a condensation agent, and a novel sulfonic acid ester useful as such a condensation agent and a process for the preparation thereof.

3-(5-NITRO-2-PYRIDON-1-YL)-1,2-BENZOISOTHIAZOLE 1,1-DIOXIDE (BID-NPy) AS A NEW EFFECTIVE CONDENSING REAGENT

Ahmed, Alauddin,Fukuda, Hirohiko,Inomata, Katsuhiko,Kotake, Hiroshi

, p. 1161 - 1164 (2007/10/02)

3-(5-Nitro-2-pyridon-1-yl)-1,2-benzoisothiazole 1,1-dioxide (BID-NPy) was found to be a useful condensing reagent.Various dipeptides and esters were prepared in good yields using this reagent.

The conversion of L-beta-chloroalanine peptides to L-cysteine peptides.

Wilchek,Zioudrou,Patchornik

, p. 2865 - 2867 (2007/10/06)

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