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Elastase chemical structure, C20H28O2, CAS 9004-06-2
2D chemical structure

Key facts

What buyers check first

CAS number
9004-06-2
Formula
C20H28O2
Molar mass
300.44 g/mol
EC number
232-670-7
HS code
290619
Category
Aliphatic and alicyclic building blocks

What is Elastase?

Plain description, key identifiers and synonyms

Elastase is a chemical substance with the molecular formula C20H28O2 and a molar mass of 300.44 g/mol. Its CAS registry number is 9004-06-2. The IUPAC name is 4-methylidene-3-prop-2-enylidenecyclohexan-1-ol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-methylidene-3-prop-2-enylidenecyclohexan-1-ol
CAS number
9004-06-2 CAS number cross-checkedOther or deprecated CAS: 81295-09-2
EC numbers
232-670-7, 279-720-4
Molecular formula
C20H28O2
InChIKey
DXPFIOMVMNHFEU-UHFFFAOYSA-N
InChI
InChI=1S/2C10H14O/c2*1-3-4-9-7-10(11)6-5-8(9)2/h2*3-4,10-11H,1-2,5-7H2
SMILES (canonical and isomeric)
C=CC=C1CC(CCC1=C)O.C=CC=C1CC(CCC1=C)O

Synonyms

  • Pancreatopeptidase E
  • Peptidase, pancreato-, E
  • Matrix metalloproteinase-12
  • Proteinase, bone marrow serine
  • MMP 12
  • E.C. 3.4.4.7
  • E.C. 3.4.2.1.11
  • E.C. 3.4.21.11
  • E.C. 3.4.21.36
  • E.C. 3.4.21.37
  • E.C. 3.4.24.65
  • (3Z)-4-methylidene-3-prop-2-enylidenecyclohexan-1-ol

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
300.44 g/molcalc.
Exact mass
300.2089 Dacalc.
LogP (octanol/water)
4.4calc.
Topological polar surface area
40.46 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
22calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.4calc.
Formal charge
0calc.
Stereocentres
2calc.
Components
2calc.
Lipinski rule of five
Passes (0 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, C=C1CCCCC1=C

C=C1CCCCC1=C

1 ring, 8 atoms, the Cyclohexane, 1,2-bis(methylene)- ring system.

44 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled.
  • H335May cause respiratory irritation.
Precautionary statements (21)
  • P233Keep container tightly closed.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • 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.
  • P284In case of inadequate ventilation wear respiratory 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.
  • P342 + P316If experiencing respiratory symptoms: Get emergency medical help immediately.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403Store in a well-ventilated place.
  • 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

Elastase suppliers

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

All 6 suppliers
6 of 6 offers
  • United States, San DiegoUnclaimed profile
    ElastaseGrade, purity and minimum order on request
    Price on request
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  • United States, HolbrookUnclaimed profile
    ElastaseGrade, purity and minimum order on request
    Price on request
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  • United States, ShirleyUnclaimed profile
    ElastaseGrade, purity and minimum order on request
    Price on request
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  • China, FuxinUnclaimed profile
    ElastaseGrade, purity and minimum order on request
    Price on request
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  • China, HangzhouUnclaimed profile
    ElastaseGrade, purity and minimum order on request
    Price on request
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  • United States, IrwindaleUnclaimed profile
    ElastaseGrade, purity and minimum order on request
    Price on request
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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

6 suppliers in 2 countries

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Elastase 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

United States

  • TSCA inventory (USA)
    Status: Active in US commerce, Regulatory flags: Exempt from Chemical Data Reporting

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Elastase is traded under.

HS 2906.19Indicative HS code

Cyclanic, cyclenic or cycloterpenic, other

World exports in 2024
$613M
+18.7% vs 2023, imports $606M
2019 to 2024
Top exporters
  1. China34.2%
  2. India * partner reported10.1%
  3. Germany9.5%
Top importers
  1. United States19.8%
  2. Germany9.0%
  3. India * partner reported8.4%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Elastase?

Elastase is a chemical substance with the molecular formula C20H28O2 and a molar mass of 300.44 g/mol. Its CAS registry number is 9004-06-2. The IUPAC name is 4-methylidene-3-prop-2-enylidenecyclohexan-1-ol.

What is the CAS number of Elastase?

The CAS registry number of Elastase is 9004-06-2. Other or deprecated CAS numbers: 81295-09-2.

What is the molecular formula and weight of Elastase?

The molecular formula of Elastase is C20H28O2 and its molar mass is 300.44 g/mol.

What is Elastase used for?

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

Is Elastase hazardous?

Elastase carries the GHS signal word "Danger". Main hazards: causes skin irritation, causes serious eye irritation, may cause allergy or asthma symptoms or breathing difficulties if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Elastase?

Elastase is usually classified under HS code 290619 (Cyclanic, cyclenic or cycloterpenic, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Elastase?

CompoundList lists 6 suppliers of Elastase in United States and China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Elastase?

Suppliers quote Elastase 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 Elastase

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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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