1261558-85-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1261558-85-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,5,5 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1261558-85:
(9*1)+(8*2)+(7*6)+(6*1)+(5*5)+(4*5)+(3*8)+(2*8)+(1*5)=163
163 % 10 = 3
So 1261558-85-3 is a valid CAS Registry Number.