ChemicalBook >> CAS DataBase List >>Rifamycin O
Rifamycin O
- CAS No.
- 14487-05-9
- Chemical Name:
- Rifamycin O
- Synonyms
- ctone;NSC 182391;Rifomycin O;RIFAMYCIN O;Levofloxacin O;Rifamycin O USP/EP/BP;Rifaximin EP Impurity F;Rifamycin EP Impurity C;Rifaximin impurity F (EP);Rifaximin EP Impurity F (Rifamycin O)
- CBNumber:
- CB9404663
- Molecular Formula:
- C39H47NO14
- Molecular Weight:
- 753.79
- MDL Number:
- MFCD01683928
- MOL File:
- 14487-05-9.mol
- MSDS File:
- SDS
Last updated:2026-01-13 11:26:53
| Product description | Number | Pack Size | Price |
| RifamycinO | R508190 | 250mg | $305 |
| Rifamycin O | 257376 | 50mg | $410 |
| RifamycinO | R508190 | 5g | $1185 |
| RIFAMYCIN O 95.00% | API0004824 | 1G | $1593.9 |
| RifamycinO | P135 | 250mg | $421 |
| More product size | |||
| Melting point | 171°C (dec.) |
|---|---|
| alpha | D20 +71.5° (c = 1 in dioxane) |
| Boiling point | 730.16°C (rough estimate) |
| Density | 1.2421 (rough estimate) |
| refractive index | 1.5350 (estimate) |
| storage temp. | -20°C Freezer, Under Inert Atmosphere |
| solubility | Chloroform (Slightly), Methanol (Slightly, Heated ) |
| pka | 4.61±0.70(Predicted) |
| form | Solid |
| color | Yellow to Dark Yellow |
| Major Application | pharmaceutical small molecule |
| InChIKey | RAFHKEAPVIWLJC-QZBGMZITNA-N |
| SMILES | N1C2=CC5(OCC(=O)O5)c3c4c(c(c(c3C2=O)O)C)OC(O\C=C/C(C(C(C(C(C(C(C(\C=C/C=C(\C1=O)/C)C)O)C)O)C)OC(=O)C)C)OC)(C4=O)C |
| FDA UNII | Z67LEM9P1W |
| UNSPSC Code | 12352200 |
| NACRES | NA.24 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() ![]() GHS08,GHS09 |
|---|---|
| Signal word | Warning |
| Hazard statements | H371-H410 |
| Precautionary statements | P273-P391-P501-P260-P264-P270-P309+P311-P405-P501 |
| target organs | Liver |
| WGK Germany | WGK 3 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Aquatic Acute 1 Aquatic Chronic 1 STOT SE 2 |
Rifamycin O price More Price(14)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TRC | R508190 | RifamycinO | 14487-05-9 | 250mg | $305 | 2021-12-16 | Buy |
| Usbiological | 257376 | Rifamycin O | 14487-05-9 | 50mg | $410 | 2021-12-16 | Buy |
| TRC | R508190 | RifamycinO | 14487-05-9 | 5g | $1185 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | API0004824 | RIFAMYCIN O 95.00% | 14487-05-9 | 1G | $1593.9 | 2021-12-16 | Buy |
| AK Scientific | P135 | RifamycinO | 14487-05-9 | 250mg | $421 | 2021-12-16 | Buy |
Rifamycin O Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 168)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hangzhou ICH Biofarm Co., Ltd | +86-0571-28186870; +undefined8613073685410 | sales@ichemie.com | China | 1006 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21594 | 55 |
| Guangzhou PI PI BIOTECH INC | +86-86-020-81716320 +8613602409664 | Sales@pipitech.com | China | 973 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29830 | 58 |
| Standardpharm Co. Ltd. | 86-714-3992388 | overseasales1@yongstandards.com | United States | 14332 | 58 |
| BOC Sciences | +1-631-485-4226 | inquiry@bocsci.com | United States | 19552 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-87569262 +86-15003564040 | 1056@dideu.com | China | 3982 | 58 |
| SIMAGCHEM CORP | +86-5922680277 +86-13806087780 | sale@simagchem.com | China | 17346 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34563 | 58 |
| ANHUI WITOP BIOTECH CO., LTD | +8615255079626 | eric@witopchemical.com | China | 23541 | 58 |
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- Rifamycin O: Efficacy Against M. abscessus and Overcoming Antibiotic Resistance
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- Oct 14,2025
View Lastest Price from Rifamycin O manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
![]() |
2026-02-02 | Rifamycin O
14487-05-9
|
US $1.00-1.00 / KG | 1g | 99% | 50tons | Shaanxi Dideu Medichem Co. Ltd | |
![]() |
2026-01-04 | Rifamycin O
14487-05-9
|
US $0.00-0.00 / kg | 0.1kg | 99.0%min | 200kg | Hangzhou ICH Biofarm Co., Ltd | |
![]() |
2019-07-06 | Rifamycin O
14487-05-9
|
US $1.00 / KG | 1G | 98% | 100KG | Career Henan Chemical Co |
-

- Rifamycin O
14487-05-9
- US $1.00-1.00 / KG
- 99%
- Shaanxi Dideu Medichem Co. Ltd
-

- Rifamycin O
14487-05-9
- US $0.00-0.00 / kg
- 99.0%min
- Hangzhou ICH Biofarm Co., Ltd
-

- Rifamycin O
14487-05-9
- US $1.00 / KG
- 98%
- Career Henan Chemical Co
14487-05-9(Rifamycin O)Related Search:
RIFAMYCIN
RIFAMYCIN SV
4-O-(Carboxymethyl)rifamycin
Rifamycin Sodium
25-deacetoxy-25-hydroxyrifamycin S
2,3-DIMETHYLANISALDEHYDE
2-Vinyl-1,3-dioxolane
Rifamycin O
2,5-DIMETHYL-P-ANISALDEHYDE
2,5-DIMETHYLPHENETHYLAMINE
1of4
ctone
Rifaximin impurity F (EP)
Rifaximin Impurity 6 (Rifaximin EP Impurity F)
spiro(1,3-dioxolane-2,9’(6’h)-(2,7)(epoxypentadeca(1,11,13)trienimino)naphtho(
4-O-Carboxymethyl-1-deoxy-1,4-dihydro-4-hydroxy-1-oxorifamycin γ-lactone
Rifomycin O
NSC 182391
4-O-(CARBOXYMETHYL)-1-DEOXY-1,4-diHYDRO-4-HYDROXY-1-OXO-G-LACTONE
RifaMycin,4-O-(carboxyMethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-, g-lactone
Rifaximin EP Impurity F
Rifamycin, 4-O-(carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-, gamma-lactone
RIFAMYCIN O
2,1-b)furan)-1’,4,6’,11’(2’h)-tetrone,5’,17’,19’,21’-tetrahydroxy-23’-methoxy
4’,12’,16’,18’,20’,22’-heptamethyl--221’-acetate
4-o-(carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-rifamycigamma-la
Rifamycin EP Impurity C
Rifaximin EP Impurity F (Rifamycin O)
Rifamycin, 4-O-(carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-, γ-lactone
Rifamycin Impurity 3(Rifamycin EP Impurity C)(Rifamycin O)
Rifamycin O USP/EP/BP
Spiro[1,3-dioxolane-2,9'(6'H)-[2,7](epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan]-1',4,6',11'(2'H)-tetrone, 5',17',19',21'-tetrahydroxy-23'-methoxy-2',4',12',16',18',20',22'-heptamethyl-21'-acetate
Rifamycin, 4-O-(carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-, γ-lactone (9CI, ACI)
4-O-(carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-Rifamycin γ-lactone (9CI ACI)
Rifaximin EP Impurity F(Rifamycin EP Impurity C)
Levofloxacin O
Rifamycin, 4-O-(carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-, γ-lactone (9CI, ACI)
4-o-(Carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-rifamycin gamma-lactone
spiro[1,3-dioxolane-2,9'(6'H)-[2,7](epoxy pentadecene azomethine)naphtho[2,1-b]furan]-1',4,6',11'(2'H)-tetraone, 5',17',19',21'-tetrahydroxy-23'-methoxy-2',4',12',16',18',20',22'-heptamethyl-21'-acetate
14487-05-9
C39H47NO14
Chiral Reagents
Intermediates & Fine Chemicals
Pharmaceuticals






