CompoundList
Sign in
Impurities and reference standards

Leucomycin A1

Also known as Kitasamycin A1, Turimycin H5, 3-Deacetyljosamycin

CAS 16846-34-7Formula C40H67NO14Molar mass 785.97 g/mol
1 supplier listed
Get quotes See the supplier
Leucomycin A1 chemical structure, C40H67NO14, CAS 16846-34-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
16846-34-7
Formula
C40H67NO14
Molar mass
785.97 g/mol
HS code
293220
Category
Impurities and reference standards

What is Leucomycin A1?

Plain description, key identifiers and synonyms

Leucomycin A1 is a macrolide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(2S,3S,4R,6S)-6-[(2R,3S,4R,5R,6S)-6-[[(4R,5S,6S,7R,9R,10R,11E,13E,16R)-4,10-dihydroxy-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-1-oxacyclohexadeca-11,13-dien-6-yl]oxy]-4-(dimethylamino)-5-hydroxy-2-methyloxan-3-yl]oxy-4-hydroxy-2,4-dimethyloxan-3-yl] 3-methylbutanoate
CAS number
16846-34-7 CAS number cross-checkedOther or deprecated CAS: 1392-21-8
Molecular formula
C40H67NO14
UNII
YX09Z4QW5Y
InChIKey
IEMDOFXTVAPVLX-YWQHLDGFSA-N
InChI
InChI=1S/C40H67NO14/c1-22(2)18-30(45)53-38-26(6)51-32(21-40(38,7)48)54-35-25(5)52-39(34(47)33(35)41(8)9)55-36-27(16-17-42)19-23(3)28(43)15-13-11-12-14-24(4)50-31(46)20-29(44)37(36)49-10/h11-13,15,17,22-29,32-39,43-44,47-48H,14,16,18-21H2,1-10H3/b12-11+,15-13+/t23-,24-,25-,26+,27+,28+,29-,32+,33-,34-,35-,36+,37+,38+,39+,40-/m1/s1
Canonical SMILES
COC1C(O)CC(=O)OC(C)CC=CC=CC(O)C(C)CC(CC=O)C1OC1OC(C)C(OC2CC(C)(O)C(OC(=O)CC(C)C)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)O)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)CC(C)C)(C)O)N(C)C)O)CC=O)C)O

Synonyms

  • Kitasamycin A1
  • Turimycin H5
  • 3-Deacetyljosamycin
  • Leucomycin V 4-isovalerate
  • 3-O-Deacetyljosamycin
  • 9-Dihydroniddamycin
  • Leucomycin V, 4B-(3-methylbutanoate)
  • Leucomycin V, 4B-(3-methylbutanoate) (9CI)
  • Josamycin EP Impurity H
  • Kitasamicina
  • Kitasamycine

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
785.97 g/molcalc.
Exact mass
785.4562 Dacalc.
LogP (octanol/water)
2.44calc.
Topological polar surface area
200 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
15calc.
Rotatable bonds
11calc.
Heavy atoms
55calc.
Rings
3calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.83calc.
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 A1 suppliers

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

See the supplier

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

1 supplier in 1 country

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Leucomycin A1 price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

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 A1 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 A1 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Leucomycin A1, based on the data on this page

What is Leucomycin A1?

Leucomycin A1 is a macrolide.

What is the CAS number of Leucomycin A1?

The CAS registry number of Leucomycin A1 is 16846-34-7. Other or deprecated CAS numbers: 1392-21-8.

What is the molecular formula and weight of Leucomycin A1?

The molecular formula of Leucomycin A1 is C40H67NO14 and its molar mass is 785.97 g/mol.

Is Leucomycin A1 hazardous?

No GHS hazard classification for Leucomycin A1 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 A1?

Leucomycin A1 is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Leucomycin A1?

CompoundList lists 1 supplier of Leucomycin A1 in Australia. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Leucomycin A1?

Suppliers quote Leucomycin A1 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 A1

Get quotes for Leucomycin A1

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Leucomycin A1
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Leucomycin A1 with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/leucomycin-a1-16846-34-7" title="Leucomycin A1 structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Impurities and reference standards or HS code 293220

1 supplier
Free quotes, contact stays private
Get quotes