554536-15-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 554536-15-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,4,5,3 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 554536-15:
(8*5)+(7*5)+(6*4)+(5*5)+(4*3)+(3*6)+(2*1)+(1*5)=161
161 % 10 = 1
So 554536-15-1 is a valid CAS Registry Number.