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1026865-23-5

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1026865-23-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1026865-23-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,6,8,6 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1026865-23:
(9*1)+(8*0)+(7*2)+(6*6)+(5*8)+(4*6)+(3*5)+(2*2)+(1*3)=145
145 % 10 = 5
So 1026865-23-5 is a valid CAS Registry Number.

1026865-23-5Relevant articles and documents

Synthesis of chirally pure 2,5-disubstituted diketopiperazines derived from trisubstituted phenylalanines

Danthi, Satyavijayan Narasimhan,Hill, Ronald A.

, p. 835 - 844 (2007/10/03)

Some new chirally pure 2,5-substituted diketopiperazines were synthesized starting from 2-methoxybenzyl alcohol. This multistep synthesis proceeds through the enzymatic synthesis of chirally pure amino acids, protection and dipeptide coupling, cyclization of dipeptide ester formates, and nitration of the resulting diketopiperazines.

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