1236254-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1236254-81-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,6,2,5 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1236254-81:
(9*1)+(8*2)+(7*3)+(6*6)+(5*2)+(4*5)+(3*4)+(2*8)+(1*1)=141
141 % 10 = 1
So 1236254-81-1 is a valid CAS Registry Number.