CompoundList
Sign in
Screening compounds

Calcimycin

Also known as antibiotic A-23187, Antibiotic A23187, A23187, Antibiotic

CAS 52665-69-7Formula C29H37N3O6Molar mass 523.63 g/molEC 258-084-1
GHS signal word: Warning. Pictograms: Harmful or irritant 43 suppliers listed
Get quotes Compare 43 suppliers
Calcimycin chemical structure, C29H37N3O6, CAS 52665-69-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
52665-69-7
Formula
C29H37N3O6
Molar mass
523.63 g/mol
EC number
258-084-1
HS code
293499
Category
Screening compounds

What is Calcimycin?

Plain description, key identifiers and synonyms

5-(methylamino)-2-[[(2S,3R,5R,6S,8R,9R)-3,5,9-trimethyl-2-[(2S)-1-oxo-1-(1H-pyrrol-2-yl)propan-2-yl]-1,7-dioxaspiro[5.5]undecan-8-yl]methyl]-1,3-benzoxazole-4-carboxylic acid is a benzoxazole.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-(methylamino)-2-[[(2S,3R,5R,6S,8R,9R)-3,5,9-trimethyl-2-[(2S)-1-oxo-1-(1H-pyrrol-2-yl)propan-2-yl]-1,7-dioxaspiro[5.5]undecan-8-yl]methyl]-1,3-benzoxazole-4-carboxylic acid
CAS number
52665-69-7 CAS number cross-checkedOther or deprecated CAS: 79646-37-0
EC number
258-084-1
Molecular formula
C29H37N3O6
UNII
37H9VM9WZL
InChIKey
HIYAVKIYRIFSCZ-CYEMHPAKSA-N
InChI
InChI=1S/C29H37N3O6/c1-15-10-11-29(17(3)13-16(2)27(38-29)18(4)26(33)20-7-6-12-31-20)37-22(15)14-23-32-25-21(36-23)9-8-19(30-5)24(25)28(34)35/h6-9,12,15-18,22,27,30-31H,10-11,13-14H2,1-5H3,(H,34,35)/t15-,16-,17-,18-,22-,27+,29+/m1/s1
Canonical SMILES
CNc1ccc2oc(CC3OC4(CCC3C)OC(C(C)C(=O)c3ccc[nH]3)C(C)CC4C)nc2c1C(=O)O
Isomeric SMILES
C[C@@H]1CC[C@]2([C@@H](C[C@H]([C@H](O2)[C@H](C)C(=O)C3=CC=CN3)C)C)O[C@@H]1CC4=NC5=C(O4)C=CC(=C5C(=O)O)NC

Synonyms

  • antibiotic A-23187
  • Antibiotic A23187
  • A23187, Antibiotic
  • Calcimycin A23187
  • rel-Calcimycin
  • Calcium ionophore A23187
  • Antibiotic A 23187
  • Calcium ionophore III
  • A-23187, Antibiotic A-23187
  • Sdccgsbi-0050305.p002
  • A23187, Calcium ionophore A23187
  • Calcium Ionophore A23187, >=98% (TLC), powder
  • Calcium ionophore III, Selectophore(TM), function tested

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
523.63 g/molcalc.
Exact mass
523.2682 Dacalc.
LogP (octanol/water)
5.53calc.
Topological polar surface area
126.7 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
7calc.
Heavy atoms
38calc.
Rings
5calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.55calc.
Formal charge
0calc.
Stereocentres
7calc.
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=C(CC1CCCC2(CCCC(Cc3nc4ccccc4o3)O2)O1)c1ccc[nH]1

O=C(CC1CCCC2(CCCC(Cc3nc4ccccc4o3)O2)O1)c1ccc[nH]1

5 rings, 29 atoms.

12 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

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Calcimycin suppliers

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

All 43 suppliers
30 of 30 offers

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

43 suppliers in 12 countries

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

Calcimycin 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

Pharmacological actions

  • Anti-Bacterial Agents
  • Calcium Ionophores

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 Calcimycin is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Calcimycin?

5-(methylamino)-2-[[(2S,3R,5R,6S,8R,9R)-3,5,9-trimethyl-2-[(2S)-1-oxo-1-(1H-pyrrol-2-yl)propan-2-yl]-1,7-dioxaspiro[5.5]undecan-8-yl]methyl]-1,3-benzoxazole-4-carboxylic acid is a benzoxazole.

What is the CAS number of Calcimycin?

The CAS registry number of Calcimycin is 52665-69-7. Other or deprecated CAS numbers: 79646-37-0.

What is the molecular formula and weight of Calcimycin?

The molecular formula of Calcimycin is C29H37N3O6 and its molar mass is 523.63 g/mol.

What is Calcimycin used for?

Known uses and roles of Calcimycin include building blocks in research and laboratory, screening compounds in research and laboratory, anti-bacterial agents and calcium ionophores.

Is Calcimycin hazardous?

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

What is the HS code of Calcimycin?

Calcimycin is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Calcimycin?

CompoundList lists 43 suppliers of Calcimycin in United States, China, Germany, Spain and 8 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Calcimycin?

Suppliers quote Calcimycin 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 Calcimycin

Get quotes for Calcimycin

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Calcimycin
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 Calcimycin 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/calcimycin-52665-69-7" title="Calcimycin 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 Screening compounds or HS code 293499

43 suppliers
Free quotes, contact stays private
Get quotes