1837-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1837-76-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,3 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1837-76:
(6*1)+(5*8)+(4*3)+(3*7)+(2*7)+(1*6)=99
99 % 10 = 9
So 1837-76-9 is a valid CAS Registry Number.