344780-86-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344780-86-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,7,8 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 344780-86:
(8*3)+(7*4)+(6*4)+(5*7)+(4*8)+(3*0)+(2*8)+(1*6)=165
165 % 10 = 5
So 344780-86-5 is a valid CAS Registry Number.