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889768-40-5

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889768-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 889768-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,9,7,6 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 889768-40:
(8*8)+(7*8)+(6*9)+(5*7)+(4*6)+(3*8)+(2*4)+(1*0)=265
265 % 10 = 5
So 889768-40-5 is a valid CAS Registry Number.

889768-40-5Downstream Products

889768-40-5Relevant articles and documents

Synthesis of new 2,5-diamino-1,3-thiazole and 2-thiohydantoin derivatives by condensation of N-(2-Aryl-1-chloro-2-oxoethyl) carboxamides with thioureas

Balya,Chernega,But,Vasilenko,Brovarets,Drach

experimental part, p. 1427 - 1435 (2009/02/07)

N-(2-Aryl-1-chloro-2-oxoethyl) carboxamides react under mild conditions with thiourea, N-alkyl-and N-arylthioureas, and various N,N′-disubstituted thioureas, following the Hantzsch reaction scheme. The reactions are selective, and the resulting 2,5-diamin

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