191599-55-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 191599-55-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,5,9 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 191599-55:
(8*1)+(7*9)+(6*1)+(5*5)+(4*9)+(3*9)+(2*5)+(1*5)=180
180 % 10 = 0
So 191599-55-0 is a valid CAS Registry Number.