226958-77-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226958-77-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,9,5 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 226958-77:
(8*2)+(7*2)+(6*6)+(5*9)+(4*5)+(3*8)+(2*7)+(1*7)=176
176 % 10 = 6
So 226958-77-6 is a valid CAS Registry Number.