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1334337-81-3

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1334337-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1334337-81-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,3,3 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1334337-81:
(9*1)+(8*3)+(7*3)+(6*4)+(5*3)+(4*3)+(3*7)+(2*8)+(1*1)=143
143 % 10 = 3
So 1334337-81-3 is a valid CAS Registry Number.

1334337-81-3Relevant articles and documents

A practical approach to new (5Z) 2-alkylthio-5-arylmethylene-1-methyl-1,5- dihydro-4H-imidazol-4-one derivatives

Bourahla, Khadidja,Paquin, Ludovic,Lozach, Olivier,Meijer, Laurent,Carreaux, Francois,Bazureau, Jean Pierre

experimental part, p. 7377 - 7390 (2011/11/06)

A practical protocol for the preparation of (5Z)-2-alkylthio-5- arylmethylene-1-methyl-1,5-dihydro-4H-imidazol-4-one derivatives is reported. The new compounds were obtained in good yield and stereoselectivity in two steps, namely a solvent-free Knoevenag

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