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1038451-56-7

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1038451-56-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1038451-56-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,8,4,5 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1038451-56:
(9*1)+(8*0)+(7*3)+(6*8)+(5*4)+(4*5)+(3*1)+(2*5)+(1*6)=137
137 % 10 = 7
So 1038451-56-7 is a valid CAS Registry Number.

1038451-56-7Relevant articles and documents

Diastereoselective Pictet - Spengler approach for the synthesis of pyrrolo[3,2-e][1,4]diazepin-2-one peptide turn mimics

Deaudelin, Philippe,Lubell, William D.

supporting information; experimental part, p. 2841 - 2844 (2009/05/27)

(Chemical Equation Presented) Sixteen pyrrolo[3,2-e][1,4]diazepin-2-ones 1 were synthesized in 4-5 steps and 5-48% overall yields from 4-oxoproline 8 by a route featuring a diastereoselective Pictet-Spengler reaction to close the seven-membered diazepinon

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