155854-89-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155854-89-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,8,5 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 155854-89:
(8*1)+(7*5)+(6*5)+(5*8)+(4*5)+(3*4)+(2*8)+(1*9)=170
170 % 10 = 0
So 155854-89-0 is a valid CAS Registry Number.