233670-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 233670-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,3,6,7 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 233670-77:
(8*2)+(7*3)+(6*3)+(5*6)+(4*7)+(3*0)+(2*7)+(1*7)=134
134 % 10 = 4
So 233670-77-4 is a valid CAS Registry Number.