5-Methoxyisatin
- CAS No.
- 39755-95-8
- Chemical Name:
- 5-Methoxyisatin
- Synonyms
- AKOS AU36-M122;5-METHOXYISATIN;5-Methoxy-isotin;5-Methoxyisatine;5-Methoxyisatin>5-Methoxyisatin,98%;5-methoxy-indole-3-dione;5-METHOXYINDOLE-2,3-DIONE;5-METHOXY-2,3-INDOLINEDIONE;5-methoxy-1h-indole-3-dione
- CBNumber:
- CB8396385
- Molecular Formula:
- C9H7NO3
- Molecular Weight:
- 177.16
- MDL Number:
- MFCD00169023
- MOL File:
- 39755-95-8.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Melting point | 201-203°C |
|---|---|
| Density | 1.346±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| form | powder to crystal |
| pka | 9.73±0.20(Predicted) |
| color | Orange to Amber to Dark red |
| Water Solubility | Soluble in cold water. |
| InChI | InChI=1S/C9H7NO3/c1-13-5-2-3-7-6(4-5)8(11)9(12)10-7/h2-4H,1H3,(H,10,11,12) |
| InChIKey | DMHGXMPXHPOXBF-UHFFFAOYSA-N |
| SMILES | N1C2=C(C=C(OC)C=C2)C(=O)C1=O |
| CAS DataBase Reference | 39755-95-8(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | C7GA9U9TN1 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36/37/39 | |||||||||
| RTECS | NL7938000 | |||||||||
| HazardClass | IRRITANT | |||||||||
| HS Code | 29339900 | |||||||||
| NFPA 704 |
|
5-Methoxyisatin price More Price(67)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TCI Chemical | M1362 | 5-Methoxyisatin >95.0%(HPLC)(T) | 39755-95-8 | 5g | $169 | 2026-04-30 | Buy |
| TCI Chemical | M1362 | 5-Methoxyisatin >95.0%(HPLC)(T) | 39755-95-8 | 25g | $476 | 2026-04-30 | Buy |
| Usbiological | 284867 | 5-Methoxyisatin Asreported | 39755-95-8 | 5g | $326 | 2026-06-03 | Buy |
| Usbiological | 284867 | 5-Methoxyisatin Asreported | 39755-95-8 | 10g | $455 | 2026-06-03 | Buy |
| Usbiological | 284867 | 5-Methoxyisatin Asreported | 39755-95-8 | 25g | $659 | 2026-06-03 | Buy |
5-Methoxyisatin Chemical Properties,Uses,Production
Chemical Properties
Dark red to brown solid
Uses
5-Methoxyisatin is used for Pharmaceutical intermediates, a raw material used in chemical synthesis.
Preparation
Using water as solvent, 5-methoxyaniline reacted with chloral hydrate and hydroxylamine hydrochloride at 90 ℃ for 3.5h to obtain p-methoxyisonitrosoacetanilide in 95% yield. After hydrolysis, 5-methoxyisatin was obtained in 88% yield by cyclization at 92℃ with concentrated H2SO4 (75%).
Definition
ChEBI: 5-Methoxyisatin is a member of indoles. It has a role as an anticoronaviral agent.
Synthesis Reference(s)
The Journal of Organic Chemistry, 42, p. 1344, 1977 DOI: 10.1021/jo00428a016
5-Methoxyisatin Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Changzhou Chemscaler Pharmtech Co., Ltd. | 0519-81096292 15312577869 | chemscaler@yahoo.com.cn | China | 300 | 60 |
| Nanjing Habo Medical Technology Co., Ltd. | 13376080562 13376090521 | sales@habotech.com | China | 726 | 60 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Beijing HwrkChemical Technology Co., Ltd | 89508211 18501085097 | sales.bj@hwrkchemical.com | China | 9407 | 55 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Capot Chemical Co., Ltd | +86 (0) 571 85 58 67 18 | China | 18187 | 66 | |
| Beijing Ouhe Technology Co., Ltd | 13552068683 13522913783 | 2355560935@qq.com | China | 11777 | 60 |
View Lastest Price from 5-Methoxyisatin manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-08-25 | 5-Methoxyisatin
39755-95-8
|
$2.20-8.80 | 1kg | 99%min | 100kg | ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD | |
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2026-05-18 | 5-Methoxyisatin
39755-95-8
|
1kg | 98% | Hefei Lbao Physical & Chemical Science Co.,Ltd | |||
![]() |
2026-03-20 | 5-Methoxyisatin
39755-95-8
|
$10.00 | 1KG | 99% | 10 mt | Hebei Chuanghai Biotechnology Co., Ltd |
-

- 5-Methoxyisatin
39755-95-8
- $2.20-8.80
- 99%min
- ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
-

- 5-Methoxyisatin
39755-95-8
- $0.00
- 98%
- Hefei Lbao Physical & Chemical Science Co.,Ltd
-

- 5-Methoxyisatin
39755-95-8
- $10.00
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd







