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Impurities and reference standards

Leucomycin A8

Also known as Turimycin A2, Leukomycin A8, Josamycin Impurity M

CAS 18361-50-7Formula C39H63NO15Molar mass 785.93 g/mol
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Leucomycin A8 chemical structure, C39H63NO15, CAS 18361-50-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
18361-50-7
Formula
C39H63NO15
Molar mass
785.93 g/mol
HS code
293220
Category
Impurities and reference standards

What is Leucomycin A8?

Plain description, key identifiers and synonyms

Leucomycin A8 is a macrolide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(4R,5S,6S,7R,9R,10R,11E,13E,16R)-6-[(2S,3R,4R,5S,6R)-5-[(2S,4R,5S,6S)-5-acetyloxy-4-hydroxy-4,6-dimethyloxan-2-yl]oxy-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-10-hydroxy-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-1-oxacyclohexadeca-11,13-dien-4-yl] acetate
CAS number
18361-50-7
Molecular formula
C39H63NO15
UNII
86ZEY6A2KR
InChIKey
ZGKBDJKFINKSNH-FRFMCBNZSA-N
InChI
InChI=1S/C39H63NO15/c1-21-18-27(16-17-41)35(36(48-10)29(52-25(5)42)19-30(45)49-22(2)14-12-11-13-15-28(21)44)55-38-33(46)32(40(8)9)34(23(3)51-38)54-31-20-39(7,47)37(24(4)50-31)53-26(6)43/h11-13,15,17,21-24,27-29,31-38,44,46-47H,14,16,18-20H2,1-10H3/b12-11+,15-13+/t21-,22-,23-,24+,27+,28+,29-,31+,32-,33-,34-,35+,36+,37+,38+,39-/m1/s1
Canonical SMILES
COC1C(OC(C)=O)CC(=O)OC(C)CC=CC=CC(O)C(C)CC(CC=O)C1OC1OC(C)C(OC2CC(C)(O)C(OC(C)=O)C(C)O2)C(N(C)C)C1O
Isomeric SMILES
C[C@@H]1C/C=C/C=C/[C@@H]([C@@H](C[C@@H]([C@@H]([C@H]([C@@H](CC(=O)O1)OC(=O)C)OC)O[C@H]2[C@@H]([C@H]([C@@H]([C@H](O2)C)O[C@H]3C[C@@]([C@H]([C@@H](O3)C)OC(=O)C)(C)O)N(C)C)O)CC=O)C)O

Synonyms

  • Turimycin A2
  • Leukomycin A8
  • Josamycin Impurity M
  • Leucomycin V, 3,4(sup B)-diacetate
  • Leucomycin v, 3,4b-diacetate

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
785.93 g/molcalc.
Exact mass
785.4198 Dacalc.
LogP (octanol/water)
1.99calc.
Topological polar surface area
206.1 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
16calc.
Rotatable bonds
10calc.
Heavy atoms
55calc.
Rings
3calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.8calc.
Formal charge
0calc.
Stereocentres
16calc.
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, O=C1CCCC(OC2CCC(OC3CCCCO3)CO2)CCCCC=CC=CCCO1

O=C1CCCC(OC2CCC(OC3CCCCO3)CO2)CCCCC=CC=CCCO1

3 rings, 31 atoms.

53 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.

Leucomycin A8 suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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Leucomycin A8 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Leucomycin A8 is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

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

The HS code shown for Leucomycin A8 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Leucomycin A8, based on the data on this page

What is Leucomycin A8?

Leucomycin A8 is a macrolide.

What is the CAS number of Leucomycin A8?

The CAS registry number of Leucomycin A8 is 18361-50-7.

What is the molecular formula and weight of Leucomycin A8?

The molecular formula of Leucomycin A8 is C39H63NO15 and its molar mass is 785.93 g/mol.

Is Leucomycin A8 hazardous?

No GHS hazard classification for Leucomycin A8 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 Leucomycin A8?

Leucomycin A8 is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Leucomycin A8?

Post a free request on CompoundList and suppliers of Leucomycin A8 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Leucomycin A8?

Suppliers quote Leucomycin A8 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 Leucomycin A8

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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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