Hydrogen bis[2-[(2-hydroxy-4-nitrophenyl)azo]naphthalen-1-olato(2-)]cobaltate(1-) is a complex chemical compound with the formula [Co(C22H14N4O5)2]-. It is a coordination complex consisting of a central cobalt(II) ion, which is coordinated to two naphthalene-based ligands. Each ligand features a 2-hydroxy-4-nitrophenylazo group attached to a naphthalen-1-olato moiety. hydrogen bis[2-[(2-hydroxy-4-nitrophenyl)azo]naphthalen-1-olato(2-)]cobaltate(1-) is characterized by its deep color, which is a result of the conjugated π-system within the ligands and the metal-to-ligand charge transfer transitions. It is typically synthesized for use in coordination chemistry research and as a model for understanding the electronic properties and reactivity of similar metal complexes.

6421-64-3

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Basic information
1. Product Name: hydrogen bis[2-[(2-hydroxy-4-nitrophenyl)azo]naphthalen-1-olato(2-)]cobaltate(1-)
2. Synonyms: Cobaltate(1-), bis(2-(2-(2-(hydroxy-kappaO)-4-nitrophenyl)diazenyl-kappaN1)-1-naphthalenolato(2-)-kappaO)-, hydrogen (1:1); Cobaltate(1-), bis(2-((2-(hydroxy-kappaO)-4-nitrophenyl)azo-kappaN1)-1-naphthalenolato(2-)-kappaO)-, hydrogen; Hydrogen bis(2-((2-hydroxy-4-nitrophenyl)azo)naphthalen-1-olato(2-))cobaltate(1-)
3. CAS NO:6421-64-3
4. Molecular Formula: C₃₂H₁₈CoN₆O₈?H
5. Molecular Weight: 674.469
6. EINECS: 229-171-1
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: hydrogen bis[2-[(2-hydroxy-4-nitrophenyl)azo]naphthalen-1-olato(2-)]cobaltate(1-)(CAS DataBase Reference)
10. NIST Chemistry Reference: hydrogen bis[2-[(2-hydroxy-4-nitrophenyl)azo]naphthalen-1-olato(2-)]cobaltate(1-)(6421-64-3)
11. EPA Substance Registry System: hydrogen bis[2-[(2-hydroxy-4-nitrophenyl)azo]naphthalen-1-olato(2-)]cobaltate(1-)(6421-64-3)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 6421-64-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6421-64-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,2 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6421-64:
(6*6)+(5*4)+(4*2)+(3*1)+(2*6)+(1*4)=83
83 % 10 = 3
So 6421-64-3 is a valid CAS Registry Number.

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