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Heterocyclic building blocks

Lexithromycin

Also known as Erythromycin A methoxime, Erythromycin 9-(O-methyloxime), Wy 48314

CAS 53066-26-5Formula C38H70N2O13Molar mass 762.98 g/mol
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Lexithromycin chemical structure, C38H70N2O13, CAS 53066-26-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
53066-26-5
Formula
C38H70N2O13
Molar mass
762.98 g/mol
HS code
294150
Category
Heterocyclic building blocks

What is Lexithromycin?

Plain description, key identifiers and synonyms

Lexithromycin is a chemical substance with the molecular formula C38H70N2O13 and a molar mass of 762.98 g/mol. Its CAS registry number is 53066-26-5. The IUPAC name is (3R,4S,5S,6R,7R,9R,10E,11S,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-10-methoxyimino-3,5,7,9,11,13-hexamethyl-oxacyclotetradecan-2-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(3R,4S,5S,6R,7R,9R,10E,11S,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-10-methoxyimino-3,5,7,9,11,13-hexamethyl-oxacyclotetradecan-2-one
CAS number
53066-26-5Other or deprecated CAS: 118244-59-0
Molecular formula
C38H70N2O13
UNII
7QKO29734U
MDL number
MFCD00864895
InChIKey
HPZGUSZNXKOMCQ-SQYJNGITSA-N
InChI
InChI=1S/C38H70N2O13/c1-15-26-38(10,46)31(42)21(4)28(39-48-14)19(2)17-36(8,45)33(53-35-29(41)25(40(11)12)16-20(3)49-35)22(5)30(23(6)34(44)51-26)52-27-18-37(9,47-13)32(43)24(7)50-27/h19-27,29-33,35,41-43,45-46H,15-18H2,1-14H3/b39-28+/t19-,20-,21+,22+,23-,24+,25+,26-,27+,29-,30+,31-,32+,33-,35+,36-,37-,38-/m1/s1
Canonical SMILES
CCC1OC(=O)C(C)C(OC2CC(C)(OC)C(O)C(C)O2)C(C)C(OC2OC(C)CC(N(C)C)C2O)C(C)(O)CC(C)C(=NOC)C(C)C(O)C1(C)O
Isomeric SMILES
CC[C@@H]1[C@@]([C@@H]([C@H](/C(=N/OC)/[C@@H](C[C@@]([C@@H]([C@H]([C@@H]([C@H](C(=O)O1)C)O[C@H]2C[C@@]([C@H]([C@@H](O2)C)O)(C)OC)C)O[C@H]3[C@@H]([C@H](C[C@H](O3)C)N(C)C)O)(C)O)C)C)O)(C)O

Synonyms

  • Erythromycin A methoxime
  • Erythromycin 9-(O-methyloxime)
  • Wy 48314
  • Lexithromycine
  • Erythromycin, 9-(O-methyloxime)
  • Erythromycin A 9-methoxime
  • Lexithromycinum
  • Lexithromycina
  • (9E)-Erythromycin 9-(O-Methyloxime)
  • Erythromycin methyloxime
  • Erthromycin a 9-(o-methyloxime)
  • Erythromycin A 9-(O-methyloxime), Erythromycin A 9-Methoxime, Wy 48314, Oxacyclotetradecane, Erythromycin deriv.
  • Lexithromycin (USAN/INN)
  • Erythromycin A, 9-O-methyl oxime

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
762.98 g/molcalc.
Exact mass
762.4878 Dacalc.
LogP (octanol/water)
2.22calc.
Topological polar surface area
198.4 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
15calc.
Rotatable bonds
8calc.
Heavy atoms
53calc.
Rings
3calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.95calc.
Formal charge
0calc.
Stereocentres
18calc.
Lipinski rule of five
Fails (2 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, N=C1CCCCOC(=O)CC(OC2CCCCO2)CC(OC2CCCCO2)CCC1

N=C1CCCCOC(=O)CC(OC2CCCCO2)CC(OC2CCCCO2)CCC1

3 rings, 30 atoms.

75 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Lexithromycin suppliers

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Lexithromycin 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 Lexithromycin is traded under.

HS 2941.50Indicative HS code

Erythromycin and its derivatives, salts thereof

World exports in 2024
$379M
−31.1% vs 2023, imports $408M
2019 to 2024
Top exporters
  1. China79.0%
  2. India * partner reported10.6%
  3. Malaysia1.7%
Top importers
  1. India * partner reported27.3%
  2. Japan9.9%
  3. Croatia6.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Lexithromycin?

Lexithromycin is a chemical substance with the molecular formula C38H70N2O13 and a molar mass of 762.98 g/mol. Its CAS registry number is 53066-26-5.

What is the CAS number of Lexithromycin?

The CAS registry number of Lexithromycin is 53066-26-5. Other or deprecated CAS numbers: 118244-59-0.

What is the molecular formula and weight of Lexithromycin?

The molecular formula of Lexithromycin is C38H70N2O13 and its molar mass is 762.98 g/mol.

What is Lexithromycin used for?

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

Is Lexithromycin hazardous?

No GHS hazard classification for Lexithromycin is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Lexithromycin?

Lexithromycin is usually classified under HS code 294150 (Erythromycin and its derivatives, salts thereof). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Lexithromycin?

Post a free request on CompoundList and suppliers of Lexithromycin will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Lexithromycin?

Suppliers quote Lexithromycin 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 Lexithromycin

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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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