23302-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23302-85-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,3,0 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 23302-85:
(7*2)+(6*3)+(5*3)+(4*0)+(3*2)+(2*8)+(1*5)=74
74 % 10 = 4
So 23302-85-4 is a valid CAS Registry Number.