87707-33-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87707-33-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,0 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87707-33:
(7*8)+(6*7)+(5*7)+(4*0)+(3*7)+(2*3)+(1*3)=163
163 % 10 = 3
So 87707-33-3 is a valid CAS Registry Number.