290334-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 290334-90-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,0,3,3 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 290334-90:
(8*2)+(7*9)+(6*0)+(5*3)+(4*3)+(3*4)+(2*9)+(1*0)=136
136 % 10 = 6
So 290334-90-6 is a valid CAS Registry Number.