155526-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155526-77-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,5,2 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 155526-77:
(8*1)+(7*5)+(6*5)+(5*5)+(4*2)+(3*6)+(2*7)+(1*7)=145
145 % 10 = 5
So 155526-77-5 is a valid CAS Registry Number.