167971-74-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 167971-74-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,9,7 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 167971-74:
(8*1)+(7*6)+(6*7)+(5*9)+(4*7)+(3*1)+(2*7)+(1*4)=186
186 % 10 = 6
So 167971-74-6 is a valid CAS Registry Number.