768307-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 768307-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,8,3,0 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 768307-73:
(8*7)+(7*6)+(6*8)+(5*3)+(4*0)+(3*7)+(2*7)+(1*3)=199
199 % 10 = 9
So 768307-73-9 is a valid CAS Registry Number.