633302-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 633302-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,3,3,0 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 633302-91:
(8*6)+(7*3)+(6*3)+(5*3)+(4*0)+(3*2)+(2*9)+(1*1)=127
127 % 10 = 7
So 633302-91-7 is a valid CAS Registry Number.