6136-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6136-90-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,3 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6136-90:
(6*6)+(5*1)+(4*3)+(3*6)+(2*9)+(1*0)=89
89 % 10 = 9
So 6136-90-9 is a valid CAS Registry Number.