65900-34-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65900-34-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,9,0 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 65900-34:
(7*6)+(6*5)+(5*9)+(4*0)+(3*0)+(2*3)+(1*4)=127
127 % 10 = 7
So 65900-34-7 is a valid CAS Registry Number.