946716-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 946716-18-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,6,7,1 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 946716-18:
(8*9)+(7*4)+(6*6)+(5*7)+(4*1)+(3*6)+(2*1)+(1*8)=203
203 % 10 = 3
So 946716-18-3 is a valid CAS Registry Number.