19548-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19548-19-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,5,4 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 19548-19:
(7*1)+(6*9)+(5*5)+(4*4)+(3*8)+(2*1)+(1*9)=137
137 % 10 = 7
So 19548-19-7 is a valid CAS Registry Number.