ChemicalBook >> CAS DataBase List >>4-O-(Carboxymethyl)rifamycin
4-O-(Carboxymethyl)rifamycin
- CAS No.
- 13929-35-6
- Chemical Name:
- 4-O-(Carboxymethyl)rifamycin
- Synonyms
- C01848;Nacimycin;Nancimycin;Rifomycin B;NCI-145-604;Rifamycin B CRS;Rifamycin impurity A;Rifaximin EP Impurity B;Rifamycin EP Impurity A;Rifaximin impurity B (EP)
- CBNumber:
- CB3913884
- Molecular Formula:
- C39H49NO14
- Molecular Weight:
- 755.8
- MDL Number:
- MOL File:
- 13929-35-6.mol
Last updated:2023-05-15 10:43:33
Melting point | 300° (dec 160-164°) |
---|---|
alpha | D20 -11° (methanol) |
Boiling point | 730.16°C (rough estimate) |
Density | 1.2421 (rough estimate) |
refractive index | 1.5350 (estimate) |
solubility | DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly, Sonicated) |
pka | 2.69±0.10(Predicted) |
BRN | 604953 |
Stability | Unstable in solution |
FDA UNII | 8DDB535DJI |
SAFETY
Risk and Safety Statements
Toxicity | LD50 in mice (mg/kg): 2040 i.v., >3000 i.p., s.c., and orally (Sensi, 1964) |
---|
4-O-(Carboxymethyl)rifamycin price More Price(8)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
Sigma-Aldrich | R0900000 | Rifamycin B European Pharmacopoeia (EP) Reference Standard | 13929-35-6 | r0900000 | $220 | 2024-03-01 | Buy |
TRC | R508170 | Rifamycin B | 13929-35-6 | 50mg | $160 | 2021-12-16 | Buy |
TRC | R508170 | Rifamycin B | 13929-35-6 | 500mg | $1295 | 2021-12-16 | Buy |
American Custom Chemicals Corporation | API0009903 | RIFAMYCIN B 95.00% | 13929-35-6 | 500MG | $1871.1 | 2021-12-16 | Buy |
American Custom Chemicals Corporation | API0009903 | RIFAMYCIN B 95.00% | 13929-35-6 | 50MG | $315 | 2021-12-16 | Buy |
4-O-(Carboxymethyl)rifamycin Chemical Properties,Uses,Production
Uses
Rifamycin B (Rifaximin EP Impurity B) is a Rifamycin (R508200) derivative as antibacterial agent.
Uses
A Rifamycin (R508200) derivative as antibacterial agent.
Definition
ChEBI: Rifamycin B is a carboxylic acid, an acetate ester, an organic heterotetracyclic compound and a member of rifamycins. It is a conjugate acid of a rifamycin B(2-).
Purification Methods
Rifamycin B forms yellow needles from *C6H6. Its solubilities are: H2O (0,027%), MeOH (2.62%) and EtOH (0.44%). It has UV max at 223, 304 and 245nm (A 1cm 555, 275 and 220). [Oppolzer & Prelog Helv Chim Acta 56 2287 1973, Oppolzer et al. Experientia 20 336 1964, X-ray: Brufani et al. Experientia 20 339 1964.]
4-O-(Carboxymethyl)rifamycin Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 49)Suppliers
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21639 | 55 |
Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28172 | 58 |
Standardpharm Co. Ltd. | 86-714-3992388 | overseasales1@yongstandards.com | United States | 14332 | 58 |
AFINE CHEMICALS LIMITED | +86-0571-85134551 | sales@afinechem.com | China | 15361 | 58 |
Finetech Industry Limited | +86-27-87465837 +8618971612321 | info@finetechnology-ind.com | China | 9640 | 58 |
BOC Sciences | 16314854226; +16314854226 | inquiry@bocsci.com | United States | 19741 | 58 |
Aladdin Scientific | +1-+1(833)-552-7181 | sales@aladdinsci.com | United States | 57505 | 58 |
Guangzhou PI PI Biotech Inc | 020-81716320 +86-13602409664 | Sales@pipitech.com | China | 3633 | 55 |
J & K SCIENTIFIC LTD. | 010-82848833 400-666-7788 | jkinfo@jkchemical.com | China | 94657 | 76 |
Chemsky(shanghai)International Co.,Ltd. | 021-50135380 | shchemsky@sina.com | China | 32321 | 50 |
13929-35-6(4-O-(Carboxymethyl)rifamycin)Related Search:
Rifamycin S
Rifamycin O
25-deacetoxy-25-hydroxyrifamycin S
4-HYDROXYPHENOXYACETIC ACID
2-METHOXY-1-NAPHTHALDEHYDE
3,3-Dimethoxybutan-2-one
6-Hydroxy-2,3-dihydrobenzo[b]furan-3-one
1,4-Dihydroxynaphthalene
1,3-DIMETHYLNAPHTHALENE
1,7-DIMETHOXYNAPHTHALENE
1of4
Rifamycin impurity A
Rifaximin EP Impurity B
Rifamycin, 4-O-(carboxymethyl)-
4-O-(Carboxymethyl)rifamycin
Nacimycin
Nancimycin
NCI-145-604
Rifomycin B
C01848
Rifaximin impurity B (EP)
Rifaximin Impurity 2 (Rifaximin EP Impurity B)
Rifamycin EP Impurity A
Rifaximin EP Impurity B (Rifamycin B)
Rifamycin B CRS
Rifamycin Impurity 1(Rifamycin EP Impurity A)(Rifamycin B)
4-O-(Carboxymethyl)-Rifamycin (Rifaximin Impurity)
Rifaximin EP Impurity B(Rifamycin EP Impurity A)
13929-35-6
C39H49NO14
Chiral Reagents
Intermediates & Fine Chemicals
Pharmaceuticals