83670-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83670-19-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,6,7 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 83670-19:
(7*8)+(6*3)+(5*6)+(4*7)+(3*0)+(2*1)+(1*9)=143
143 % 10 = 3
So 83670-19-3 is a valid CAS Registry Number.