912809-59-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 912809-59-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,2,8,0 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 912809-59:
(8*9)+(7*1)+(6*2)+(5*8)+(4*0)+(3*9)+(2*5)+(1*9)=177
177 % 10 = 7
So 912809-59-7 is a valid CAS Registry Number.