72767-23-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72767-23-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,6 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72767-23:
(7*7)+(6*2)+(5*7)+(4*6)+(3*7)+(2*2)+(1*3)=148
148 % 10 = 8
So 72767-23-8 is a valid CAS Registry Number.