155128-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155128-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,1,2 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 155128-49:
(8*1)+(7*5)+(6*5)+(5*1)+(4*2)+(3*8)+(2*4)+(1*9)=127
127 % 10 = 7
So 155128-49-7 is a valid CAS Registry Number.