126331-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126331-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,3,3 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 126331-91:
(8*1)+(7*2)+(6*6)+(5*3)+(4*3)+(3*1)+(2*9)+(1*1)=107
107 % 10 = 7
So 126331-91-7 is a valid CAS Registry Number.