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Heterocyclic building blocks

Rifamide

Also known as Rifomycin M14, Rifamycin B diethylamide, N,N-Diethylrifamycin B amide

CAS 2750-76-7Formula C43H58N2O13Molar mass 810.94 g/molEC 220-390-8
GHS signal word: Warning. Pictograms: Harmful or irritant
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Rifamide chemical structure, C43H58N2O13, CAS 2750-76-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2750-76-7
Formula
C43H58N2O13
Molar mass
810.94 g/mol
EC number
220-390-8
HS code
294190
Category
Heterocyclic building blocks

What is Rifamide?

Plain description, key identifiers and synonyms

Rifamide is a chemical substance with the molecular formula C43H58N2O13 and a molar mass of 810.94 g/mol. Its CAS registry number is 2750-76-7. The IUPAC name is [(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-27-[2-(diethylamino)-2-oxoethoxy]-2,15,17,29-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-13-yl] acetate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-27-[2-(diethylamino)-2-oxoethoxy]-2,15,17,29-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-13-yl] acetate
CAS number
2750-76-7 CAS number cross-checked
EC number
220-390-8
Molecular formula
C43H58N2O13
UNII
TS121H7U7E
InChIKey
VFYNXKZVOUXHDX-VDPUEHCXSA-N
InChI
InChI=1S/C43H58N2O13/c1-12-45(13-2)31(47)20-55-30-19-28-38(51)33-32(30)34-40(26(8)37(33)50)58-43(10,41(34)52)56-18-17-29(54-11)23(5)39(57-27(9)46)25(7)36(49)24(6)35(48)21(3)15-14-16-22(4)42(53)44-28/h14-19,21,23-25,29,35-36,39,48-51H,12-13,20H2,1-11H3,(H,44,53)/b15-14+,18-17+,22-16-/t21-,23+,24+,25+,29-,35-,36+,39+,43-/m0/s1
Canonical SMILES
CCN(CC)C(=O)COc1cc2c(O)c3c(O)c(C)c4c(c13)C(=O)C(C)(OC=CC(OC)C(C)C(OC(C)=O)C(C)C(O)C(C)C(O)C(C)C=CC=C(C)C(=O)N2)O4
Isomeric SMILES
CCN(CC)C(=O)COC1=C2C3=C(C(=C1)NC(=O)/C(=C\C=C\[C@@H]([C@@H]([C@H]([C@H]([C@H]([C@@H]([C@@H]([C@H](/C=C/O[C@@]4(C(=O)C2=C(O4)C(=C3O)C)C)OC)C)OC(=O)C)C)O)C)O)C)/C)O

Synonyms

  • Rifomycin M14
  • Rifamycin B diethylamide
  • N,N-Diethylrifamycin B amide
  • Rifamycin M-14
  • Rifamycin diethylamide
  • Rifamycin-m-14
  • N,n-diethylrifomycin b amide
  • Rifamycin, 4-O-(2-(diethylamino)-2-oxoethyl)-
  • Rifamida
  • RF M-14
  • Rifampicin M/14
  • Rifamycin M14
  • Rifomycin B diethylamide
  • 4-O-(2-(Diethylamino)-2-oxoethyl)rifamycin
  • Rifamide (USAN)
  • Rifamycin B N,N-diethylamide
  • Rifocina M
  • Rifocin M
  • Rifamycin B N,N-diethylamide derivative
  • Rifamidum
  • 4-O-[2-(Diethylamino)-2-oxoethyl]rifamycin
  • M/14 (VAN)
  • [[2-(diethylamino)-2-oxo-ethoxy]-tetrahydroxy-methoxy-heptamethyl-dioxo-[?]yl] acetate
  • Rifamycin B, N,N-diethylamide
  • 4-o-(2-(Diethylamino)-2-oxoethyl)-rifamycin

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
810.94 g/molcalc.
Exact mass
810.3939 Dacalc.
LogP (octanol/water)
5.3calc.
Topological polar surface area
210.6 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
13calc.
Rotatable bonds
7calc.
Heavy atoms
58calc.
Rings
5calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.54calc.
Formal charge
0calc.
Stereocentres
9calc.
Lipinski rule of five
Fails (3 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1C=CC=CCCCCCCCCC=COC2Oc3ccc4cc(ccc4c3C2=O)N1

O=C1C=CC=CCCCCCCCCC=COC2Oc3ccc4cc(ccc4c3C2=O)N1

5 rings, 32 atoms.

165 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H319Causes serious eye irritation.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P337 + P317If eye irritation persists: Get medical help.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Rifamide suppliers

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Rifamide price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Rifamide is traded under.

HS 2941.90Indicative HS code

Antibiotics, other

World exports in 2024
$6.39B
+2.3% vs 2023, imports $6.97B
2019 to 2024
Top exporters
  1. China39.7%
  2. United States11.3%
  3. Switzerland * partner reported10.9%
Top importers
  1. Italy15.0%
  2. India * partner reported12.0%
  3. China8.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Rifamide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Rifamide, based on the data on this page

What is Rifamide?

Rifamide is a chemical substance with the molecular formula C43H58N2O13 and a molar mass of 810.94 g/mol. Its CAS registry number is 2750-76-7.

What is the CAS number of Rifamide?

The CAS registry number of Rifamide is 2750-76-7.

What is the molecular formula and weight of Rifamide?

The molecular formula of Rifamide is C43H58N2O13 and its molar mass is 810.94 g/mol.

What is Rifamide used for?

Known uses and roles of Rifamide include building blocks in research and laboratory.

Is Rifamide hazardous?

Rifamide carries the GHS signal word "Warning". Main hazards: causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Rifamide?

Rifamide is usually classified under HS code 294190 (Antibiotics, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Rifamide?

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What is the price of Rifamide?

Suppliers quote Rifamide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Rifamide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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