1185156-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1185156-40-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,5,1,5 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1185156-40:
(9*1)+(8*1)+(7*8)+(6*5)+(5*1)+(4*5)+(3*6)+(2*4)+(1*0)=154
154 % 10 = 4
So 1185156-40-4 is a valid CAS Registry Number.