1267993-31-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1267993-31-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,7,9,9 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1267993-31:
(9*1)+(8*2)+(7*6)+(6*7)+(5*9)+(4*9)+(3*3)+(2*3)+(1*1)=206
206 % 10 = 6
So 1267993-31-6 is a valid CAS Registry Number.