1236254-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1236254-87-7 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 1236254-87:
(9*1)+(8*2)+(7*3)+(6*6)+(5*2)+(4*5)+(3*4)+(2*8)+(1*7)=147
147 % 10 = 7
So 1236254-87-7 is a valid CAS Registry Number.