167939-15-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 167939-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,9,3 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 167939-15:
(8*1)+(7*6)+(6*7)+(5*9)+(4*3)+(3*9)+(2*1)+(1*5)=183
183 % 10 = 3
So 167939-15-3 is a valid CAS Registry Number.