(7-Amino-2-oxo-2H-chromen-4-yl)methanesulfonic acid CAS 120402-76-8
| CAS No. | 120402-76-8 |
| Molecular Formula | C10H9NO5S |
| Molecular Weight | 255.25 g/mol |
| 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.
(7-Amino-2-oxo-2H-chromen-4-yl)methanesulfonic acid (CAS 120402-76-8) is a high-purity analytical reference standard with the molecular formula C10H9NO5S and a molecular weight of 255.25 g/mol.
Structurally, (7-Amino-2-oxo-2H-chromen-4-yl)methanesulfonic acid (C10H9NO5S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. 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 255.25 g/mol, it falls into the medium-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.
CATO manufactures (7-Amino-2-oxo-2H-chromen-4-yl)methanesulfonic acid 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 | C10H9NO5S |
| Molecular Weight | 255.25 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.) | 1991 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 3-(4-Amino-phenylimino)-5-fluoro-1,3-dihydro-indol-2-one (CAS 1262154-43-7)
- 3-Amino-2-(3-fluorophenyl)quinazolin-4(3H)-one (CAS 1363405-87-1)
- Ethyl 2-(4-amino-3-(dimethylphosphoryl)phenyl)acetate (CAS 1887181-12-5)
- 2-Amino-9-(4-fluoro-3-(hydroxymethyl)butyl)-1,9-dihydro-6h-purin-6-one (CAS 206067-83-6)
- 3-Amino-2-(2-fluorophenyl)quinazolin-4(3H)-one (CAS 331719-48-3)
- 3-Amino-2-(4-fluorophenyl)quinazolin-4(3H)-one (CAS 388106-35-2)
- 4-(3-Amino-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid (CAS 7336-98-3)
- 2-(Boc-amino)-4-fluorobenzoic Acid (CAS 1019384-47-4)
Recommended Standards
- Diethyl (4-vinylphenyl)phosphoramidate (CAS 1194373-54-0)
- 4-(5-(3-Fluorophenyl)-1H-1,2,4-triazol-3-yl)phenol (CAS 1209287-28-4)
- 2-{1H-pyrrolo[2,3-b]pyridine-3-sulfonamido}acetic acid (CAS 1193387-93-7)
- 2-(5-(3-Fluorophenyl)-1H-1,2,4-triazol-3-yl)phenol (CAS 1210285-94-1)
- (R)-Tetrahydro-3H-oxazolo[3,4-a]pyridine-3,7(1H)-dione (CAS 1226594-79-1)
- (+)-Biotin-PEG3-NHS Ester (CAS 1253286-56-4)
- (S)-2-Amino-N-((S)-1-benzyl-piperidin-3-yl)-N-ethyl-propionamide (CAS 1354007-36-5)
- Tamoxifen Impurity 27 (CAS CATO-C4X-123327)
- 1-(Trifluoromethyl)-3-azabicyclo[3.1.0]hexane HCl (CAS 1221722-96-8)
- 2,4,5,6-Tetrachloro-m-xylylenediamine (CAS 16969-06-5)
- 3-(2-Amino-Ethyl)-4-Bromo-Phenol Hydrobromide (CAS 870553-46-1)
- Levocabastine Hydrochloride EP Impurity I (CAS CATO-C4X-228925)
- 1-[(4-Methylphenyl)sulfonyl]-1,4-diazepane hydrochloride (CAS 1582149-10-7)
- Peptide 432 (CAS CATO-CPTD788432)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com