997-44-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 997-44-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,9 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 997-44:
(5*9)+(4*9)+(3*7)+(2*4)+(1*4)=114
114 % 10 = 4
So 997-44-4 is a valid CAS Registry Number.
InChI:InChI=1/C5H12N2O3/c6-1-2-10-3-4(7)5(8)9/h4H,1-3,6-7H2,(H,8,9)/t4-/m0/s1