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215099-82-4

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215099-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 215099-82-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,0,9 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 215099-82:
(8*2)+(7*1)+(6*5)+(5*0)+(4*9)+(3*9)+(2*8)+(1*2)=134
134 % 10 = 4
So 215099-82-4 is a valid CAS Registry Number.

215099-82-4Downstream Products

215099-82-4Relevant articles and documents

Synthesis of N-phosphoryl amino acids via phosphoramidite amine-exchange

Chow, Chun P.,Berkman, Clifford E.

, p. 7471 - 7474 (1998)

N-Phosphoryl amino acids were prepared rapidly and in high yield via phosphoramidite amine-exchange in the presence of 1H-tetrazole followed by oxidation with mCPBA. Formation of dibenzyl phosphoramidates incorporating the representative C-terminal protected amino acids leucine, phenylalanine, glutamic acid, and proline were demonstrated to be most successful with dibenzyl N,N-dimethylphosphoramidite although the N,N-diethyl and N,N- diisopropyl analogs also provided high yields.

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