90178-64-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90178-64-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,7 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 90178-64:
(7*9)+(6*0)+(5*1)+(4*7)+(3*8)+(2*6)+(1*4)=136
136 % 10 = 6
So 90178-64-6 is a valid CAS Registry Number.