865448-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 865448-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,5,4,4 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 865448-77:
(8*8)+(7*6)+(6*5)+(5*4)+(4*4)+(3*8)+(2*7)+(1*7)=217
217 % 10 = 7
So 865448-77-7 is a valid CAS Registry Number.