2,2'-Bicinchoninic Acid CAS 1245-13-2
| CAS No. | 1245-13-2 |
| Molecular Formula | C20H12N2O4 |
| Molecular Weight | 344.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H12N2O4, 2,2'-Bicinchoninic Acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 344.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
2,2'-Bicinchoninic Acid (CAS 1245-13-2), molecular formula C20H12N2O4 and molecular weight 344.32 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures 2,2'-Bicinchoninic 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 | C20H12N2O4 |
| Molecular Weight | 344.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Recommended Standards
- (6S,8S,13aR)-7,8-Dihydro-6,8-dimethyl-1,13-dinitro-6H-dibenzo[f,h][1,5]dioxonin (CAS 1192804-11-7)
- N3-PEG3-C2-NHS ester (CAS 1245718-89-1)
- (6R,8R,13aS)-7,8-Dihydro-6,8-dimethyl-1,13-dinitro-6H-dibenzo[f,h][1,5]dioxonin (CAS 1192803-55-6)
- 1,8-(Bismaleamic Acid)triethyleneglycol (CAS 125008-83-5)
- N-[2-(2-Isopropyl-5-methylphenoxy)ethyl]-4-propoxyaniline (CAS 1040688-84-3)
- 3-Neopentyl-5-(piperidin-4-yl)-1,2,4-oxadiazole hydrochloride (CAS 1402232-93-2)
- 2-[(2-Fluorophenyl)methyl]oxirane (CAS 67959-43-7)
- 2-(Bromomethyl)-4-iodobenzo[d]oxazole (CAS 1804104-63-9)
- Methyl (S)-3-amino-2-hydroxypropanoate hydrochloride (CAS 72185-81-0)
- 4-Methylbenzenesulfonic acid;3-oxa-6-azabicyclo[3.1.1]heptane (CAS 1414860-36-8)
- 1-(3-Chloro-6-methylpyridazin-4-yl)ethan-1-one (CAS 152343-18-5)
- 2-Amino-9-(3',5'-di-O-acetyl-2'-O-methyl-b-D-ribofuranosyl)-6-chloropurine (CAS 244184-56-3)
- 2-Phenyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1313519-78-6)
- Semaglutide Impurity 176 (CAS CATO-C4X-2226176)
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