107737-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107737-90-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,7,3 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 107737-90:
(8*1)+(7*0)+(6*7)+(5*7)+(4*3)+(3*7)+(2*9)+(1*0)=136
136 % 10 = 6
So 107737-90-6 is a valid CAS Registry Number.