90357-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90357-39-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,3,5 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90357-39:
(7*9)+(6*0)+(5*3)+(4*5)+(3*7)+(2*3)+(1*9)=134
134 % 10 = 4
So 90357-39-4 is a valid CAS Registry Number.