126789-09-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126789-09-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,7,8 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 126789-09:
(8*1)+(7*2)+(6*6)+(5*7)+(4*8)+(3*9)+(2*0)+(1*9)=161
161 % 10 = 1
So 126789-09-1 is a valid CAS Registry Number.