194919-88-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 194919-88-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,9,1 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 194919-88:
(8*1)+(7*9)+(6*4)+(5*9)+(4*1)+(3*9)+(2*8)+(1*8)=195
195 % 10 = 5
So 194919-88-5 is a valid CAS Registry Number.