855761-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855761-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,7,6 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 855761-40:
(8*8)+(7*5)+(6*5)+(5*7)+(4*6)+(3*1)+(2*4)+(1*0)=199
199 % 10 = 9
So 855761-40-9 is a valid CAS Registry Number.