Cas 381707-58-0,C21H22N2O5

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Check Digit Verification of cas no

The CAS Registry Mumber 381707-58-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,1,7,0 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 381707-58:
(8*3)+(7*8)+(6*1)+(5*7)+(4*0)+(3*7)+(2*5)+(1*8)=160
160 % 10 = 0
So 381707-58-0 is a valid CAS Registry Number.

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381707-58-0Relevant articles and documents

Approach to the library of 3-hydroxy-1,5-dihydro-2H-pyrrol-2-ones through a three-component condensation

Ryabukhin, Sergey V.,Panov, Dmitriy M.,Plaskon, Andrey S.,Grygorenko, Oleksandr O.

, p. 631 - 635 (2013/02/23)

A convenient procedure for the parallel synthesis of 3-hydroxy-1,5-dihydro- 2H-pyrrol-2-ones through a three-component condensation of active methylene compounds, aldehydes, and amines was developed. It was shown that the use of acetic acid as the reactio

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CAS

381707-58-0