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66618-82-4

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66618-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66618-82-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,6,1 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 66618-82:
(7*6)+(6*6)+(5*6)+(4*1)+(3*8)+(2*8)+(1*2)=154
154 % 10 = 4
So 66618-82-4 is a valid CAS Registry Number.

66618-82-4Relevant articles and documents

Synthesis of α,α-Disubstituted α-Amino Acid Amides by Phase-Transfer Catalyzed Alkylation

Kaptein, Bernard,Boesten, Wilhelmus H. J.,Broxterman, Quirinus B.,Schoemaker, Hans E.,Kamphuis, Johan

, p. 6007 - 6010 (2007/10/02)

α,α-Disubstituted α-amino acid amides were prepared in 17-88 percent chemical yield by the phase-transfer catalyzed alkylation of N-benzylidene α-H amino acid amides, followed by weak acidic hydrolysis of the Schiff bases.

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