1876-09-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1876-09-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,7 and 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1876-09:
(6*1)+(5*8)+(4*7)+(3*6)+(2*0)+(1*9)=101
101 % 10 = 1
So 1876-09-1 is a valid CAS Registry Number.