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190672-15-2

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190672-15-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190672-15-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,6,7 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 190672-15:
(8*1)+(7*9)+(6*0)+(5*6)+(4*7)+(3*2)+(2*1)+(1*5)=142
142 % 10 = 2
So 190672-15-2 is a valid CAS Registry Number.

190672-15-2Relevant articles and documents

A new methodology for obtaining α-oxo ester equivalents: Sulfanylation of α-sulfonyl carboxylic esters in a solid/liquid phase transfer catalytic system

Wladislaw, Blanka,Marzorati, Liliana,Junior, Nelson Ferreira Claro,Di Vitta, Claudio

, p. 420 - 422 (1997)

A new, convenient procedure for the synthesis of a wide range of α-methylsulfanyl-α-phenylsulfonyl carboxylic esters has been developed and their facile conversion to the corresponding α-oxo esters demonstrated.

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