1671-03-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1671-03-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,7 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1671-03:
(6*1)+(5*6)+(4*7)+(3*1)+(2*0)+(1*3)=70
70 % 10 = 0
So 1671-03-0 is a valid CAS Registry Number.