263765-03-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 263765-03-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,7,6 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 263765-03:
(8*2)+(7*6)+(6*3)+(5*7)+(4*6)+(3*5)+(2*0)+(1*3)=153
153 % 10 = 3
So 263765-03-3 is a valid CAS Registry Number.
263765-03-3Relevant articles and documents
4-azidotetronic acids: A new class of azido derivatives
Beccalli,Erba,Trimarco
, p. 629 - 641 (2007/10/03)
4-Azidotetronic derivatives bearing different substituent groups on the carbon atom in position 3 were easily obtained by reaction of the corresponding 4-bromotetronic compounds with sodium azide in methanol at room temperature.