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131587-93-4

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131587-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131587-93-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,8 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 131587-93:
(8*1)+(7*3)+(6*1)+(5*5)+(4*8)+(3*7)+(2*9)+(1*3)=134
134 % 10 = 4
So 131587-93-4 is a valid CAS Registry Number.

131587-93-4Downstream Products

131587-93-4Relevant articles and documents

SYNTHESIS AND ANALGETIC EFFICIENCY OF SOME OXY AND OXO DERIVATIVES OF 4(3H)-QUINAZOLINONE

Fisnerova, Ludmila,Brunova, Bohumila,Kocfeldova, Zuzana,Tikalova, Jana,Maturova, Eva,Grimova, Jaroslava

, p. 2373 - 2381 (2007/10/02)

A series of 3-substituted 4(3H)-quinazolinone derivatives have been prepared by alkylation of 4(3H)-quinazolinone with halogenoethers, halogenoketones, and Mannich bases, and the products have been tested for analgetic effects.The most interesting represe

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