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1204656-31-4

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1204656-31-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1204656-31-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,4,6,5 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1204656-31:
(9*1)+(8*2)+(7*0)+(6*4)+(5*6)+(4*5)+(3*6)+(2*3)+(1*1)=124
124 % 10 = 4
So 1204656-31-4 is a valid CAS Registry Number.

1204656-31-4Upstream product

1204656-31-4Downstream Products

1204656-31-4Relevant academic research and scientific papers

An efficient stereoselective synthesis of penaresidin A from (E)-2-protected amino-3,4-unsaturated sulfoxide

Raghavan, Sadagopan,Krishnaiah

experimental part, p. 748 - 761 (2010/04/30)

(Chemical Equation Presented) An efficient, modular, asymmetric synthesis of penaresidin A is disclosed. A β-protected amino-γ, δ-unsaturated sulfoxide was prepared by stereoselective addition of the lithio anion of (R)-methyl p-tolyl sulfoxide to an unsa

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