1555-08-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1555-08-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,5 and 5 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1555-08:
(6*1)+(5*5)+(4*5)+(3*5)+(2*0)+(1*8)=74
74 % 10 = 4
So 1555-08-4 is a valid CAS Registry Number.