2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[2-[2-(phenylsulfonyl)phenyl]diazenyl]-, sodium salt CAS 6245-60-9
| CAS No. | 6245-60-9 |
| Molecular Formula | C22H16N3O6S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[2-[2-(phenylsulfonyl)phenyl]diazenyl]-, sodium salt (CAS 6245-60-9), molecular formula C22H16N3O6S2Na and molecular weight 505.49 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C22H16N3O6S2Na, 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[2-[2-(phenylsulfonyl)phenyl]diazenyl]-, sodium salt contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 505.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[2-[2-(phenylsulfonyl)phenyl]diazenyl]-, sodium salt under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H16N3O6S2 Na |
| Molecular Weight | 505.49 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Naphthalenesulfonic Standards
- 2-Naphthalenesulfonic acid (CAS 120-18-3)
- Naphthalenesulfonic acid, sodium salt (CAS 1321-69-3)
- 2-Naphthalenesulfonic acid, 6-(acetylamino)-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (CAS 20262-58-2)
- 1-Naphthalenesulfonic acid, 3,4-dihydro-3,4-dioxo- (CAS 2066-93-5)
- Naphthalenesulfonic acid, methyl-, sodium salt (CAS 26264-58-4)
- Naphthalenesulfonic acid, methylenebis-, sodium salt (CAS 26545-58-4)
- Naphthalenesulfonic acid, dinonyl-, sodium salt (CAS 26834-28-6)
- 2-Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt (CAS 36290-04-7)
Recommended Standards
- (2-(((2,4-Dimethylphenyl)amino)methyl)phenyl)methanol (CAS 327071-55-6)
- 1-(Azepan-1-yl)-2-((4-bromophenyl)thio)ethan-1-one (CAS 380549-18-8)
- 1-Nitro-N-phenylacridin-9-amine (CAS 40239-67-6)
- 2-(1H-Benzo[d]imidazol-1-yl)-1-(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)ethan-1-one (CAS 1705067-81-7)
- 4-(4-(Benzyloxy)-2-methylbenzoyl)-5-(3-ethoxy-4-hydroxyphenyl)-3-hydroxy-1-(2-methoxyethyl)-1H-pyrrol-2(5H)-one (CAS 488123-24-6)
- 4-Methyl-3-(4H-1,2,4-triazol-4-yl)aniline (CAS 1017791-29-5)
- 2,2,2-trichloro-1-(1-methyl-4-nitro-1H-pyrrol-2-yl)ethan-1-one (CAS 120122-47-6)
- NSC 54709 (CAS 26013-82-1)
- 1-(2,4-Dimethylthiazol-5-yl)-2-(pyrrolidin-2-yl)ethan-1-one (CAS 1531061-03-6)
- Semaglutide Impurity 158 (x TFA Salt) (CAS CATO-C4X-2226158)
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