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145948-49-8

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145948-49-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145948-49-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,9,4 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 145948-49:
(8*1)+(7*4)+(6*5)+(5*9)+(4*4)+(3*8)+(2*4)+(1*9)=168
168 % 10 = 8
So 145948-49-8 is a valid CAS Registry Number.

145948-49-8Relevant articles and documents

REGIOSELECTIVITY OF THE NUCLEOPHILIC AND RADICAL ADDITION OF DIPHENYLPHOSPHINOUS ACID TO ETHYL PROPYNOATE

Antoshin, A. E.,Kharitonov, A. B.,Tsvetkov, E. N.

, p. 1039 - 1041 (2007/10/02)

The regioselectivity of the addition of diphenylphosphinous acid to ethyl propynoate and to ethyl β-(diphenylphosphinyl) acrylate was studied, and it was shown that the reaction yields a mixture of β,β- and α,β-addition products, the first predominating u

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