166961-73-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 166961-73-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,9,6 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 166961-73:
(8*1)+(7*6)+(6*6)+(5*9)+(4*6)+(3*1)+(2*7)+(1*3)=175
175 % 10 = 5
So 166961-73-5 is a valid CAS Registry Number.
166961-73-5Relevant articles and documents
Ureins derived from alpha, omega-diamono acids and process for their preparation
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, (2008/06/13)
Ureins are obtained by reaction, in basic medium, between an N omega -(aryloxycarbonyl)diamino acid and a compound containing a free amino group. The chirality of the compounds is outstandingly well preserved.