155137-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155137-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,1,3 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 155137-40:
(8*1)+(7*5)+(6*5)+(5*1)+(4*3)+(3*7)+(2*4)+(1*0)=119
119 % 10 = 9
So 155137-40-9 is a valid CAS Registry Number.