3258-39-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3258-39-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,5 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3258-39:
(6*3)+(5*2)+(4*5)+(3*8)+(2*3)+(1*9)=87
87 % 10 = 7
So 3258-39-7 is a valid CAS Registry Number.