19758-78-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19758-78-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,5 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 19758-78:
(7*1)+(6*9)+(5*7)+(4*5)+(3*8)+(2*7)+(1*8)=162
162 % 10 = 2
So 19758-78-2 is a valid CAS Registry Number.