Ethyl 2-chloro-2-(2-(4-methoxyphenyl)hydrazono)acetate
- CAS No.
- 27143-07-3
- Chemical Name:
- Ethyl 2-chloro-2-(2-(4-methoxyphenyl)hydrazono)acetate
- Synonyms
- Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate;(Z)-ethyl 2-chloro-2-(2-(4-Methoxyphenyl)hydrazono)acetate;Ethyl(z)-2-chloro-2-(2-(4-Methoxyphenyl)hydrazono)acetate;Apixaban Impurity B;Apixaban Impurity 2;Ethyl 2-chloro-2-(2-(4-Methoxyphenyl)hydrazono)acetate;Chloro[(4-methoxyphenyl)hydrazono]acetic acid ethyl ester;Apixaban-2;hydrazono);Ethyl chloro
- CBNumber:
- CB92500866
- Molecular Formula:
- C11H13ClN2O3
- Molecular Weight:
- 256.69
- MDL Number:
- MFCD02852962
- MOL File:
- 27143-07-3.mol
- MSDS File:
- SDS
| Melting point | 94℃ |
|---|---|
| Boiling point | 349.0±44.0 °C(Predicted) |
| Density | 1.23 |
| storage temp. | 2-8°C |
| solubility | Chloroform (Sparingly), Methanol (Slightly) |
| form | Solid |
| pka | 11.63±0.10(Predicted) |
| color | Yellow to Dark Yellow |
| InChI | InChI=1S/C11H13ClN2O3/c1-3-17-11(15)10(12)14-13-8-4-6-9(16-2)7-5-8/h4-7,13H,3H2,1-2H3 |
| InChIKey | ATNPZEGMKLGIFA-UHFFFAOYSA-N |
| SMILES | C(OCC)(=O)C(Cl)=NNC1=CC=C(OC)C=C1 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315 |
| Precautionary statements | P264-P280-P302+P352-P321-P332+P313-P362 |
Ethyl 2-chloro-2-(2-(4-methoxyphenyl)hydrazono)acetate price More Price(71)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Usbiological | 275920 | Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate Asreported | 27143-07-3 | 10g | $319 | 2026-06-03 | Buy |
| Usbiological | 275920 | Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate Asreported | 27143-07-3 | 25g | $453 | 2026-06-03 | Buy |
| Usbiological | 275920 | Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate Asreported | 27143-07-3 | 50g | $602 | 2026-06-03 | Buy |
| Usbiological | 275920 | Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate Asreported | 27143-07-3 | 100g | $799 | 2026-06-03 | Buy |
| Usbiological | 275920 | Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate Asreported | 27143-07-3 | 250g | $1200 | 2026-06-03 | Buy |
Ethyl 2-chloro-2-(2-(4-methoxyphenyl)hydrazono)acetate Chemical Properties, Uses, Production
Physical properties
Light yellow to dark yellow solid
Uses
Acetic acid, 2-chloro-2-[2-(4-methoxyphenyl)hydrazinylidene], ethyl ester is an ester derivative and can be used as an intermediate in the synthesis of apixaban.
Synthesis
Step-1:Water (600 ml) was added to p-anisidine (100 g) at room temperature and the resulting mixture was cooled to 10°C, followed by the addition of concentrated hydrochloric acid (133.5 g). The resulting mixture was cooled to —5°C to 0°C, followed by portion-wise addition of 40 % aqueous sodium nitrite solution over 45 minutes to 1 hour. The resulting mass was stirred for 1 hour 30 minutes at —5°C to0°C, followed by slow addition of 11 % sulfamic acid solution over 1 hour to 1 hour 30 minutes to produce a reaction mass (first part).Step-2:Sodium acetate (146 g) was added to water (300 ml) at room temperature and then stirred for 10 minutes to 15 minutes, followed by the addition of ethyl 2-chloroacetoacetate (160.4g) and acetone (300 ml) at room temperature to form a reaction mixture. The resulting mixture was cooled to 0°C. The resulting mixture was added to the reaction mass (first part) obtained in step-i at —5°C to 0°C and then stirred for 1 hour at the same temperature. Acetone (200 ml) was added to the resulting mass and stirred for 30 minutes at —5°C to 0°C. The resulting mass was settled for 5 hours at —5°C to 0°Cand then filtered the solid. Methanol (150 ml) was added to the resulting solid at room temperature and then stirred for 2 hours at the same temperature. Ethyl 2-chloro-2-(2-(4-methoxyphenyl) hydrazone)acetate was obtained through further purity.
References
[1] Patent: CN104513239, 2017, B. Location in patent: Paragraph 0197; 0238; 0243; 0244
[2] European Journal of Medicinal Chemistry, 2016, vol. 123, p. 431 - 446
[3] Patent: CN107400131, 2017, A. Location in patent: Paragraph 0026; 0031; 0042-0044
[4] Patent: CN105384739, 2016, A. Location in patent: Paragraph 0391; 0392; 0393
[5] Patent: CN104395312, 2016, B. Location in patent: Paragraph 0396; 0451-0455; 0501; 0502-0506



Ethyl 2-chloro-2-(2-(4-methoxyphenyl)hydrazono)acetate Preparation Products And Raw materials
Raw materials
1of2
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Jinan Jianfeng Chemical Co., Ltd. | 0531-88110457; 18954159893 | demi@pharmachemm.com | China | 205 | 58 |
| Jiangsu Vcare PharmaTech Co., Ltd. | 025-58741518 13327700685 | sales@vcarepharmatech.com | China | 281 | 61 |
| ChemFuture PharmaTech (Jiangsu) Ltd | 5108538618 | suger.wang@chemfuture.com | China | 832 | 65 |
| Shandong kelikang drug co., ltd | 053-88113608 17854192669 | sales07@pharmachemm.com | China | 149 | 58 |
| Anhui Cheer-Our Medical technology Co.,Ltd | 63535381 13485700777 | gaylen@cheer-our.com | China | 101 | 58 |
| Jilin Lianben Technology Development Co., Ltd | China | 46 | 58 | ||
| Jinan zhongdaoanran chemical Co;Ltd | 18678233466; 18678233466 | 122574856@qq.com | China | 199 | 58 |
| ShangHai DEMO Chemical Co.,Ltd | 400-021-7337 2355568890 | sales@demochem.com | China | 2569 | 57 |
| Shijiazhuang Sdyano Fine Chemical Co., Ltd. | 0311-89250318 13582355795 | master@sjzsdyn.com | China | 2776 | 65 |
| Adamas Reagent, Ltd. | 400-6009262 15618770481 | yhx@titansci.com | China | 14098 | 59 |
View Latest Price from Ethyl 2-chloro-2-(2-(4-methoxyphenyl)hydrazono)acetate manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-09-20 | Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate
27143-07-3
|
$20.00 | 1KG | 98% | 20 tons | Speranza Chemical Co., Ltd. | |
![]() |
2026-09-20 | Acetic acid, 2-chloro-2-[2-(4-methoxyphenyl)hydrazinylidene], ethyl ester
27143-07-3
|
0.99 | RongNa Biotechnology Co.,Ltd | ||||
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2026-09-20 | Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate
27143-07-3
|
$12.00 | 1KG | 99% | 200mt/year | Jinan Finer Chemical Co., Ltd |
-
![Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate pictures](https://img.chemicalbook.com/ProductImageEN/2019-12/Small/298404a9-43b9-4e45-839e-db42c839bddf.png)
- Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate
27143-07-3
- $20.00
- 98%
- Speranza Chemical Co., Ltd.
-
![Acetic acid, 2-chloro-2-[2-(4-methoxyphenyl)hydrazinylidene], ethyl ester pictures](/ProductImageEN1/2025-04/Small/95c7668a-2c44-4ecd-8e42-5a9ac1b555c2.gif)
- Acetic acid, 2-chloro-2-[2-(4-methoxyphenyl)hydrazinylidene], ethyl ester
27143-07-3
- 0.99
- RongNa Biotechnology Co.,Ltd
-
![Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate pictures](/ProductImageEN/2022-05/Small/17e548b2-b9fa-493b-a081-b599cddf1fa3.jpg)
- Ethyl chloro[(4-methoxyphenyl)hydrazono]acetate
27143-07-3
- $12.00
- 99%
- Jinan Finer Chemical Co., Ltd
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