- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 7-Aminocephalosporanic acid
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 7-Aminocephalosporanic acid
- Price: ￥118.0/5g ￥348.0/25g
- Purity: 99.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- DC Chemicals Limited
- China
- Product Name: 7-Aminocephalosporanic acid
- Price: $250.0/100mg $500.0/250mg $1000.0/1g
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Tony Cao
- Email: sales@dcchemicals.com
- ShangHai DC Chemicals Co.,Ltd
- China
- Product Name: 7-Aminocephalosporanic acid
- Price: ￥Inquiry/1g
- Purity: 98.9%
- Stocking Period: 1 Day
- Contact: Tony Lai
- Email: order@dcchemicals.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 7-Aminocephalosporanic acid
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: 7-Aminocephalosporanic acid
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
957-68-6
957-68-6 structure
- Name: 7-Aminocephalosporanic acid
- Chemical Name: 7β-aminocephalosporanic acid
- CAS Number: 957-68-6
- Molecular Formula: C10H12N2O5S
- Molecular Weight: 272.278
- Catalog: API Antibiotics Cephalosporin
- Create Date: 2018-02-03 08:00:00
- Modify Date: 2025-08-21 12:12:09
-
7-Aminocephalosporanic acid is the core chemical structure for the synthesis of cephalosporin antibiotics, is a potent β-lactamase inhibitor.
| Name | 7β-aminocephalosporanic acid |
|---|---|
| Synonyms |
7-ACS
(7R)-7-Aminocephalosporanic acid EINECS 213-485-0 7-AMINO CEPHALOSPORIC ACID (6R,7R)-3-(Acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(acetyloxy)methyl]-7-amino-8-oxo-, (6R,7R)- 7beta-aminocephalosporanic acid 7β-aminocephalosporanic acid zwitterion 3-Acetoxymethyl-7-aminoceph-3-em-4-oic Acid 7β-aminocephalosporanic acid 7-Amino MFCD00005177 7-Aminocephalosporanicacid 7-Aminocephalsporanic acid 7-Aminocephalosporanic acid 7-ACA (6R,7R)-3-[(acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 7-Amino-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Acetate Ester Cefazolin Impurity 1 |
| Description | 7-Aminocephalosporanic acid is the core chemical structure for the synthesis of cephalosporin antibiotics, is a potent β-lactamase inhibitor. |
|---|---|
| Related Catalog |
| Density | 1.6±0.1 g/cm3 |
|---|---|
| Boiling Point | 560.6±50.0 °C at 760 mmHg |
| Melting Point | >300 °C(lit.) |
| Molecular Formula | C10H12N2O5S |
| Molecular Weight | 272.278 |
| Flash Point | 292.9±30.1 °C |
| Exact Mass | 272.046692 |
| PSA | 135.23000 |
| LogP | -0.80 |
| Vapour Pressure | 0.0±3.3 mmHg at 25°C |
| Index of Refraction | 1.661 |
| Storage condition | 2-8°C |
| Symbol |
GHS08 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H317-H334 |
| Precautionary Statements | P261-P280-P342 + P311 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Faceshields;Gloves |
| Hazard Codes | Xn,Xi |
| Risk Phrases | R42/43:May cause sensitization by inhalation and skin contact . R36/37/38:Irritating to eyes, respiratory system and skin . R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . |
| Safety Phrases | S22-S36/37-S24/25 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2934996000 |
|
~80%
957-68-6 |
| Literature: Advanced Synthesis and Catalysis, , vol. 347, # 14 p. 1804 - 1810 |
|
~94%
957-68-6 |
| Literature: Fernandez-Lafuente, Roberto; Guisan, Jose M.; Pregnolato, Massimo; Terreni, Marco Tetrahedron Letters, 1997 , vol. 38, # 26 p. 4693 - 4696 |
|
~%
957-68-6 |
| Literature: Advanced Synthesis and Catalysis, , vol. 347, # 14 p. 1804 - 1810 |
|
~%
957-68-6 |
| Literature: Advanced Synthesis and Catalysis, , vol. 347, # 14 p. 1804 - 1810 |
|
~%
957-68-6 |
| Literature: Advanced Synthesis and Catalysis, , vol. 350, # 2 p. 343 - 348 |
|
~%
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| Literature: Advanced Synthesis and Catalysis, , vol. 345, # 6-7 p. 783 - 789 |
|
~84%
957-68-6 |
| Literature: Kametani; Sekine; Honda Chemical and Pharmaceutical Bulletin, 1982 , vol. 30, # 12 p. 4545 - 4547 |
|
~%
957-68-6 |
| Literature: Advanced Synthesis and Catalysis, , vol. 350, # 2 p. 343 - 348 |
|
~%
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| Literature: Journal of Molecular Catalysis B: Enzymatic, , vol. 76, p. 52 - 58 |
| Precursor 5 | |
|---|---|
| DownStream 9 | |
![sodium,(6R,7R)-3-(acetyloxymethyl)-7-[[1-(4-bromophenyl)cyclopentanecarbonyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate structure](https://image.chemsrc.com/caspic/384/143433-72-1.png)
![sodium,(6R,7R)-3-(acetyloxymethyl)-7-[[1-(3-chlorophenyl)cyclopentanecarbonyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate structure](https://image.chemsrc.com/caspic/089/143407-76-5.png)
![sodium,(6R,7R)-3-(acetyloxymethyl)-7-[[1-(2-chlorophenyl)cyclopentanecarbonyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate structure](https://image.chemsrc.com/caspic/346/143433-73-2.png)
![3-(acetyloxymethyl)-8-oxo-7-[(2-pyridin-2-ylsulfanylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid structure](https://image.chemsrc.com/caspic/074/21593-22-6.png)
| HS Code | 2934996000 |
|---|---|
| Summary | 2934996000. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:6.0%. General tariff:20.0% |