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R8626

Rifamycin SV sodium salt

potency: ≥ 900 IU/mg (anhydrous basis)

Synonym(s):

2,7-(Epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)furan-1,11(2H)-dione, 5,6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl- 21-acetate monosodium salt, Rifamycin SV monosodium salt

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About This Item

Empirical Formula (Hill Notation):
C37H46NNaO12
CAS Number:
Molecular Weight:
719.75
PubChem Substance ID:
UNSPSC Code:
51283601
NACRES:
NA.76
EC Number:
238-965-7
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form

powder

Quality Segment

potency

≥ 900 IU/mg (anhydrous basis)

solubility

ethanol: soluble 50 mg/mL

antibiotic activity spectrum

Gram-negative bacteria, Gram-positive bacteria, mycobacteria

mode of action

protein synthesis | interferes

SMILES string

[Na+].CO[C@H]1\C=C\O[C@@]2(C)Oc3c(C)c(O)c4c(O)c(NC(=O)C(C)=C\C=C\[C@H](C)[C@H](O)[C@@H](C)[C@@H](O)[C@@H](C)[C@H](OC(C)=O)[C@@H]1C)cc([O-])c4c3C2=O

InChI

1S/C37H47NO12.Na/c1-16-11-10-12-17(2)36(46)38-23-15-24(40)26-27(32(23)44)31(43)21(6)34-28(26)35(45)37(8,50-34)48-14-13-25(47-9)18(3)33(49-22(7)39)20(5)30(42)19(4)29(16)41;/h10-16,18-20,25,29-30,33,40-44H,1-9H3,(H,38,46);/q;+1/p-1/b11-10+,14-13+,17-12-;/t16-,18+,19+,20+,25-,29-,30+,33+,37-;/m0./s1

InChI key

YVOFSHPIJOYKSH-NLYBMVFSSA-M

General description

Chemical structure: macrolide

Application

Rifamycin SV is a broad-spectrum semisynthetic antimicrobial agent of the rifamycin group. It is used to study potential genes, such as rif15 and rif16, which may be involved in the conversion of rifamycin SV into rifamycin B.

Biochem/physiol Actions

Rifamycin SV inhibits selective (E. coli, B. subtilis) bacterial DNA-dependent RNA polymerase by binding to the polymerase β-subunit, a mechanism similar to rifabutin. It acts as a selective cytochrome P450 3A4 inducer. It is active against Gram-positive bacteria and is moderately active against Gram-negative organisms.

Packaging

1g,5g

Other Notes

Keep container tightly closed in a dry and well-ventilated place. Light sensitive. Air sensitive. Store under inert gas

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This Item
S9132PHR1664C7912
description

potency: ≥ 900 IU/mg (anhydrous basis)

description

-

description

Pharmaceutical Secondary Standard; Certified Reference Material

description

potency: 916-964 μg per mg

mode of action

protein synthesis | interferes

mode of action

protein synthesis | interferes

mode of action

-

mode of action

cell wall synthesis | interferes

antibiotic activity spectrum

Gram-negative bacteria, mycobacteria, Gram-positive bacteria

antibiotic activity spectrum

Gram-positive bacteria

antibiotic activity spectrum

-

antibiotic activity spectrum

Gram-negative bacteria, Gram-positive bacteria

Quality Level

200

Quality Level

200

Quality Level

300

Quality Level

200

form

powder

form

powder

form

-

form

powder

potency

≥ 900 IU/mg (anhydrous basis)

potency

≥4100 I.U. per mg (dry basis)

potency

-

potency

916-964 μg per mg

solubility

ethanol: soluble 50 mg/mL

solubility

methanol: soluble

solubility

-

solubility

H2O: 50 mg/mL


Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)



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