90046-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90046-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,4 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90046-57:
(7*9)+(6*0)+(5*0)+(4*4)+(3*6)+(2*5)+(1*7)=114
114 % 10 = 4
So 90046-57-4 is a valid CAS Registry Number.