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1268136-35-1

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1268136-35-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1268136-35-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,8,1,3 and 6 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1268136-35:
(9*1)+(8*2)+(7*6)+(6*8)+(5*1)+(4*3)+(3*6)+(2*3)+(1*5)=161
161 % 10 = 1
So 1268136-35-1 is a valid CAS Registry Number.

1268136-35-1Relevant articles and documents

A Synthesis of acetamidines

Harjani, Jitendra R.,Liang, Chen,Jessop, Philip G.

experimental part, p. 1683 - 1691 (2011/05/12)

The condensation of primary amine with N,N-dimethylacetamide dimethyl acetal yields amixture of acetamidine and imidate ester. The product distribution in this reaction depends on the temperature, solvent, and structure of the primary amine. It is possible to suppress the formation of imidate ester by performing the reaction in the presence of excess dimethyl amine, yielding acetamidine as the exclusive product. For acetamidines that cannot be purified either by crystallization or distillation, this new method is necessary for the generation of pure acetamidines in good yields.

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