768387-39-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 768387-39-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,8,3,8 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 768387-39:
(8*7)+(7*6)+(6*8)+(5*3)+(4*8)+(3*7)+(2*3)+(1*9)=229
229 % 10 = 9
So 768387-39-9 is a valid CAS Registry Number.