1417997-86-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1417997-86-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,7,9,9 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1417997-86:
(9*1)+(8*4)+(7*1)+(6*7)+(5*9)+(4*9)+(3*7)+(2*8)+(1*6)=214
214 % 10 = 4
So 1417997-86-4 is a valid CAS Registry Number.