155439-88-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155439-88-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,4,3 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 155439-88:
(8*1)+(7*5)+(6*5)+(5*4)+(4*3)+(3*9)+(2*8)+(1*8)=156
156 % 10 = 6
So 155439-88-6 is a valid CAS Registry Number.