1236144-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1236144-18-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,6,1,4 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1236144-18:
(9*1)+(8*2)+(7*3)+(6*6)+(5*1)+(4*4)+(3*4)+(2*1)+(1*8)=125
125 % 10 = 5
So 1236144-18-5 is a valid CAS Registry Number.