83768-19-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83768-19-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,6 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 83768-19:
(7*8)+(6*3)+(5*7)+(4*6)+(3*8)+(2*1)+(1*9)=168
168 % 10 = 8
So 83768-19-8 is a valid CAS Registry Number.