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Screening compounds

Milbemycin

CAS 51570-36-6Formula C31H44O7Molar mass 528.69 g/molEC 684-598-4
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment
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Milbemycin chemical structure, C31H44O7, CAS 51570-36-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
51570-36-6
Formula
C31H44O7
Molar mass
528.69 g/mol
EC number
684-598-4
HS code
293220
Category
Screening compounds

What is Milbemycin?

Plain description, key identifiers and synonyms

Milbemycin is a chemical substance with the molecular formula C31H44O7 and a molar mass of 528.69 g/mol. Its CAS registry number is 51570-36-6. The IUPAC name is 21,24-dihydroxy-5',6',11,13,22-pentamethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
21,24-dihydroxy-5',6',11,13,22-pentamethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one
CAS number
51570-36-6
EC number
684-598-4
Molecular formula
C31H44O7
InChIKey
ZLBGSRMUSVULIE-UHFFFAOYSA-N
InChI
InChI=1S/C31H44O7/c1-18-7-6-8-23-17-35-28-27(32)21(4)14-26(31(23,28)34)29(33)36-25-15-24(10-9-19(2)13-18)38-30(16-25)12-11-20(3)22(5)37-30/h6-9,14,18,20,22,24-28,32,34H,10-13,15-17H2,1-5H3
SMILES (canonical and isomeric)
CC1CCC2(CC3CC(O2)CC=C(CC(C=CC=C4COC5C4(C(C=C(C5O)C)C(=O)O3)O)C)C)OC1C

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
528.69 g/molcalc.
Exact mass
528.3087 Dacalc.
LogP (octanol/water)
4.53calc.
Topological polar surface area
94.45 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
0calc.
Heavy atoms
38calc.
Rings
5calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.71calc.
Formal charge
0calc.
Stereocentres
10calc.
Lipinski rule of five
Passes (1 violation)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=C1OC2CC(CC=CCCC=CC=C3COC4CC=CC1C34)OC1(CCCCO1)C2

O=C1OC2CC(CC=CCCC=CC=C3COC4CC=CC1C34)OC1(CCCCO1)C2

5 rings, 31 atoms.

53 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
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H332Harmful if inhaled.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (13)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P301 + P317If swallowed: Get medical help.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P330Rinse mouth.
  • P391Collect spillage.
  • 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

Milbemycin suppliers

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

Frequently asked questions

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

What is Milbemycin?

Milbemycin is a chemical substance with the molecular formula C31H44O7 and a molar mass of 528.69 g/mol. Its CAS registry number is 51570-36-6. The IUPAC name is 21,24-dihydroxy-5',6',11,13,22-pentamethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one.

What is the CAS number of Milbemycin?

The CAS registry number of Milbemycin is 51570-36-6.

What is the molecular formula and weight of Milbemycin?

The molecular formula of Milbemycin is C31H44O7 and its molar mass is 528.69 g/mol.

What is Milbemycin used for?

Known uses and roles of Milbemycin include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Milbemycin hazardous?

Milbemycin carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful if inhaled, may cause damage to organs through prolonged or repeated exposure. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Milbemycin?

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

Where can I buy Milbemycin?

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What is the price of Milbemycin?

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

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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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