26837-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26837-84-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,8,3 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 26837-84:
(7*2)+(6*6)+(5*8)+(4*3)+(3*7)+(2*8)+(1*4)=143
143 % 10 = 3
So 26837-84-3 is a valid CAS Registry Number.