873804-36-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873804-36-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,8,0 and 4 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 873804-36:
(8*8)+(7*7)+(6*3)+(5*8)+(4*0)+(3*4)+(2*3)+(1*6)=195
195 % 10 = 5
So 873804-36-5 is a valid CAS Registry Number.