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254987-13-8

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254987-13-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 254987-13-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,4,9,8 and 7 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 254987-13:
(8*2)+(7*5)+(6*4)+(5*9)+(4*8)+(3*7)+(2*1)+(1*3)=178
178 % 10 = 8
So 254987-13-8 is a valid CAS Registry Number.

254987-13-8Downstream Products

254987-13-8Relevant articles and documents

Nucleophilic substitution of pyrrolide anions for chlorine in alkylthiochloroacetylenes

Sobenina,Dyachkova,Stepanova,Toryashinova,Albanov,Ushakov,Demenev,Mikhaleva,Trofimov

, p. 916 - 920 (2007/10/03)

The principal pathway of reaction of pyrrolide anions with alkylthiochloroacetylenes in a super-basic KOH-DMSO heterophase medium is replacement for chlorine leading to 1-(alkylthioethynyl)pyrroles. Besides, 2-alkylthio-1,1-di(1-pyrrolyl) ethene and 1-alk

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