19885-17-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19885-17-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,8 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19885-17:
(7*1)+(6*9)+(5*8)+(4*8)+(3*5)+(2*1)+(1*7)=157
157 % 10 = 7
So 19885-17-7 is a valid CAS Registry Number.