72773-34-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72773-34-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,7 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 72773-34:
(7*7)+(6*2)+(5*7)+(4*7)+(3*3)+(2*3)+(1*4)=143
143 % 10 = 3
So 72773-34-3 is a valid CAS Registry Number.