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180608-81-5

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180608-81-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 180608-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,6,0 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 180608-81:
(8*1)+(7*8)+(6*0)+(5*6)+(4*0)+(3*8)+(2*8)+(1*1)=135
135 % 10 = 5
So 180608-81-5 is a valid CAS Registry Number.

180608-81-5Relevant articles and documents

Synthesis of α-substituted and α,α-disubstituted α-amino acids by controlled mono- and dialkylation of ethyl N-diphenylmethyleneglycinate

Ezquerra,Pedregal,Moreno-Manas,Pleixats,Roglans

, p. 8535 - 8538 (1993)

Ethyl N-diphenylmethyleneglycinate reacts with one equivalent of alkylating agents in the presence of powdered potassium carbonate to afford, after hydrolysis, monoalkylated glycine esters. A similar process using two equivalents of alkylating agents in t

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