4-(1H-Indol-1-yl)benzoic acid CAS 71935-16-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71935-16-5 |
| Molecular Formula | C16H11NO4 |
| Molecular Weight | 281.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(1H-Indol-1-yl)benzoic acid (CAS 71935-16-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H11NO4. Molecular weight: 281.26 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H11NO4 |
| Molecular Weight | 281.26 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 1 |
Related H Standards
- 1-(1H-Indol-3-yl)-3-(3-methoxyphenyl)urea (CAS 941879-15-8)
- [2-(1H-Indol-3-yl)ethyl][(2-methoxyphenyl)methyl]amine (CAS 418781-81-4)
- 2-(1H-Indol-3-yl)-N-(4-methoxybenzyl)ethanamine (CAS 7390-67-2)
- 2-(1H-indol-3-yl)-N-(3-methoxybenzyl)ethanamine 435342-06-6 [2-(1 H-indol-3-yl)-ethyl]-(3-methoxy-benzyl)-amine (CAS 435342-06-6)
- N-[2-(Indol-3-yl-2,4,5,6,7-d5)acetyl]-L-valine-15N (CAS 1201012-76-1)
- 2-(1H-Indol-1-yl)-N-(6-methoxypyrimidin-4-yl)acetamide (CAS 1396767-99-9)
- 1-(2-(1H-indol-3-yl)ethyl)-2,5-dimethyl-1H-pyrrole-3-carboxylic acid (CAS 893772-56-0)
- 3-(1H-Indol-2-yl)-N-isobutyl-1H-pyrazole-4-carboxamide (CAS 827318-54-7)
Recommended Standards
- 4-(1,3-Dioxo-1,3-dihydro-isoindol-2-ylmethyl)-benzoic acid (CAS 227598-41-6)
- 4-(3-Azidopropoxy)-3,5-dimethoxybenzoic acid (CAS 2096986-74-0)
- 3-Ethoxycarbonylmethyl-4-oxo-10-oxa-3-aza-tricyclo[5.2.1.0*1,5*]dec-8-ene-6-carboxylic acid (CAS 436811-04-0)
- 3-(4-Fluorophenyl)-5-nitropyridin-4-amine (CAS 1395492-80-4)
- 3-Chloro-N-(3-iodophenyl)benzo[b]thiophene-2-carboxamide (CAS 622354-05-6)
- 2-((3-Cyano-6-phenyl-4-(p-tolyl)pyridin-2-yl)thio)-N-(m-tolyl)acetamide (CAS 332127-58-9)
- 1-(2,3-Dihydro-1h-inden-1-yl)-2,2,2-trifluoroethan-1-one (CAS 2091609-69-5)
- Metaraminol Impurity 44 (CAS CATO-C4X-225244)
- endo-Gly31-Semaglutide (CAS CATO-C4X-2226282)
- Des-Gln24-Tirzepatide (CAS CATO-CPTD788949)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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