858267-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858267-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,2,6 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 858267-57:
(8*8)+(7*5)+(6*8)+(5*2)+(4*6)+(3*7)+(2*5)+(1*7)=219
219 % 10 = 9
So 858267-57-9 is a valid CAS Registry Number.