8-Aminonaphthalene-1,3,6-trisulfonic acid CAS 117-42-0
| CAS No. | 117-42-0 |
| Molecular Formula | C10H9NO9S3 |
| Molecular Weight | 383.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 8-Aminonaphthalene-1,3,6-trisulfonic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
8-Aminonaphthalene-1,3,6-trisulfonic acid (CAS 117-42-0), molecular formula C10H9NO9S3 and molecular weight 383.37 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 8-Aminonaphthalene-1,3,6-trisulfonic acid (C10H9NO9S3) contains a carbohydrate-derived structure, an amide group, a sulfone group. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 383.37 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C10H9NO9S3 |
| Molecular Weight | 383.37 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 3 |
Related Aminonaphthalene Standards
- 8-Aminonaphthalene-1,3,5-trisulfonic acid (CAS 17894-99-4)
- 7-Aminonaphthalene-1,3,5-trisulfonic acid (CAS 27310-25-4)
- 6-Aminonaphthalene-1,3-disulfonic acid (CAS 118-33-2)
- 5-Aminonaphthalene-1,3-disulfonic acid (CAS 13306-42-8)
- 1-Aminonaphthalene-2,6-disulfonic acid (CAS 16144-92-6)
- 3-Aminonaphthalene-2,7-disulfonic acid (CAS 92-28-4)
- 4-Aminonaphthalene-2,7-disulfonic acid (CAS 6251-07-6)
- 5-Aminonaphthalene-1-sulfonyl chloride (CAS 145061-31-0)
Recommended Standards
- Fluazifop-P-Butyl (CAS 79241-46-6)
- 7-Amino-naphthalene-1,3,6-trisulfonic acid, 97% (CAS 118-03-6)
- Fluazifop-Butyl (CAS 69806-50-4)
- Ethyl 4-(2-((2,5-difluorophenyl)sulfonyl)acetamido)benzoate (CAS 1325303-74-9)
- tert-Butyl (6-((5R,6R)-6-hydroxy-6,7,8,9-tetrahydro-5H-imidazo[1,5-a]azepin-5-yl)-[1,1'-biphenyl]-3-yl)carbamate (CAS 2375741-77-6)
- N-(4-Chlorobenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)acetamide (CAS 891114-38-8)
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- 2-(3-aminocyclopentyl)-octahydropyrrolo[1,2-a]piperazin-6-one (CAS 1543883-60-8)
- 3-[5-(2-azidoethylsulfanyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione (CAS 2737286-91-6)
- (E)-3-phenyl-1-(piperazin-1-yl)prop-2-en-1-one (CAS 84935-37-5)
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- 2-Pentylidenecyclopentanone (CAS 16424-35-4)
- 4-(4-Formylpyridin-3-yl)-2-methylbenzonitrile (CAS 1308669-68-2)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
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