1841-37-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1841-37-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,4 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1841-37:
(6*1)+(5*8)+(4*4)+(3*1)+(2*3)+(1*7)=78
78 % 10 = 8
So 1841-37-8 is a valid CAS Registry Number.