19862-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19862-40-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,6 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 19862-40:
(7*1)+(6*9)+(5*8)+(4*6)+(3*2)+(2*4)+(1*0)=139
139 % 10 = 9
So 19862-40-9 is a valid CAS Registry Number.