136653-44-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136653-44-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,6,5 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 136653-44:
(8*1)+(7*3)+(6*6)+(5*6)+(4*5)+(3*3)+(2*4)+(1*4)=136
136 % 10 = 6
So 136653-44-6 is a valid CAS Registry Number.