1H-Pyrrole-2,3,5-tricarbaldehyde CAS 81697-99-6
| CAS No. | 81697-99-6 |
| Molecular Formula | C7H5NO3 |
| Molecular Weight | 151.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1H-Pyrrole-2,3,5-tricarbaldehyde (C7H5NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1H-Pyrrole-2,3,5-tricarbaldehyde (CAS 81697-99-6), molecular formula C7H5NO3 and molecular weight 151.12 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 1H-Pyrrole-2,3,5-tricarbaldehyde 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 | C7H5NO3 |
| Molecular Weight | 151.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 1 |
Related H Standards
- 1,1'-(1H-Pyrrole-1,2-diyl)diethanone (CAS 365221-43-8)
- 1,1'-(1H-Pyrrole-2,3-diyl)diethanone (CAS 87032-88-0)
- 1,1'-(1H-Pyrrole-2,4-diyl)diethanone (CAS 63547-61-5)
- pyrrole-1-sulfonamide (CAS 1237884-46-6)
- 1H-Pyrrole-2-sulfonyl fluoride (CAS 1909325-87-6)
- 1H-pyrrole-2,5-dicarboxamide (CAS 719278-42-9)
- 1H-Pyrrole-2-carboxylic acid-5-amino-ethyl ester (CAS 755750-25-5)
- 1H-Pyrrole-3-sulfonic acid (CAS 749255-18-3)
Recommended Standards
- 1H-Oxazolo[3,4-a]pyridine-1,5(3H)-dione (CAS 61327-56-8)
- 1-Hydroxyfuro[3,4-c]pyridin-3(1H)-one (CAS 944900-70-3)
- 1,3-benzoxazole-2,4-diol (CAS 28955-70-6)
- 1-Methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (CAS 7465-66-9)
- 5-Ethyl-3-methyl-1H-pyrazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione (CAS 1114595-47-9)
- 2-Bromo-2-methylpropanoic anhydride (CAS 42069-15-8)
- N-(4-(3-Methoxypyrrolidin-1-yl)phenyl)cyclobutanecarboxamide (CAS 1797887-93-4)
- 2-(2-Chlorophenyl)-4-isopropylpyrimidine-5-carboxylic acid (CAS 1455364-19-8)
- Pretomanid Impurity 31 (CAS CATO-C4X-260631)
- N-(4-Bromo-2-methylphenyl)-2-((5-((4-chlorobenzyl)thio)-1,3,4-thiadiazol-2-yl)thio)acetamide (CAS 476484-61-4)
- N,N'-Di(4-biphenylyl)-N,N'-diphenylbenzidine (CAS 134008-76-7)
- 2-(4-Methoxyphenoxy)thiazole-5-carbaldehyde (CAS 478081-25-3)
- 3-[(2-Methyl-4-nitrophenyl)carbamoyl]benzenesulfonyl chloride (CAS 2034157-31-6)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
Why CATO?
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