876564-41-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 876564-41-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,6,5,6 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 876564-41:
(8*8)+(7*7)+(6*6)+(5*5)+(4*6)+(3*4)+(2*4)+(1*1)=219
219 % 10 = 9
So 876564-41-9 is a valid CAS Registry Number.