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63431-02-7

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63431-02-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63431-02-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,4,3 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 63431-02:
(7*6)+(6*3)+(5*4)+(4*3)+(3*1)+(2*0)+(1*2)=97
97 % 10 = 7
So 63431-02-7 is a valid CAS Registry Number.

63431-02-7Relevant articles and documents

X=Y-ZH Systems as Potential 1,3-Dipoles. Part 7. Stereochemistry of the Cycloaddition of Imines of α-Amino Acid Esters to Fumarate and Maleate Esters

Grigg, Ronald,Kemp, James,Warnock, William J.

, p. 2275 - 2284 (2007/10/02)

Aryl imines of α-amino acid esters undergo 1,3-dipolar cycloadditions with maleate and fumarate esters in quantitative yield when heated in boiling toluene to give mixtures of mainly two pyrrolidines.The major isomer in each case arises from cycloaddition

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