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137618-14-5

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137618-14-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137618-14-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,6,1 and 8 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 137618-14:
(8*1)+(7*3)+(6*7)+(5*6)+(4*1)+(3*8)+(2*1)+(1*4)=135
135 % 10 = 5
So 137618-14-5 is a valid CAS Registry Number.

137618-14-5Downstream Products

137618-14-5Relevant articles and documents

Bifunctional Chiral Auxiliaries 5: The Synthesis of 1,3-Diacylimidazolidine-2-thiones and 1,3-Diacylimidazolidin-2-ones from 1,2-Diamines

Davies, Stephen G.,Mortlock, Andrew A.

, p. 4419 - 4438 (2007/10/02)

Although 1,2-diamines fail to cyclise with urea, phosgene or 1,1'-carbonyl diimidazole, they react with carbon disulphide to give the corresponding imidazolidine-2-thiones.These undergo clean diacylation to give 1,3-diacylimidazolidine-2-thiones which are

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