5841-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5841-66-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,4 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5841-66:
(6*5)+(5*8)+(4*4)+(3*1)+(2*6)+(1*6)=107
107 % 10 = 7
So 5841-66-7 is a valid CAS Registry Number.
5841-66-7Relevant articles and documents
Oxidative Hydroxylation of Heterocyclic β-Dicarbonyl Compounds
Stadlbauer, Wolfgang,Kappe, Thomas
, p. 1005 - 1016 (2007/10/02)
3-Substituted 4-hydroxy-2-quinolones (1), 5-substituted barbituric acids (3) and 4-substituted pyrazolidine-2,4-diones were oxidized to yield the corresponding hydroxyderivatives 2,4 or 9, respectively. - Keywords: 5-Hydroxy-2,4,6-pyrimidine-triones; 4-Hy