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Fluorescent probes and labels

Coelenterazine

Also known as Coelenterazine, native, Oplophorus luciferin, 8-benzyl-2-(4-hydroxybenzyl)-6-(4-hydroxyphenyl)imidazo[1,2-a]pyrazin-3(7H)-one

CAS 55779-48-1Formula C26H21N3O3Molar mass 423.47 g/mol
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Coelenterazine chemical structure, C26H21N3O3, CAS 55779-48-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
55779-48-1
Formula
C26H21N3O3
Molar mass
423.47 g/mol
HS code
293399
Category
Fluorescent probes and labels

What is Coelenterazine?

Plain description, key identifiers and synonyms

Oplophorus luciferin is an imidazopyrazine that is imidazo[1,2-a]pyrazin-3(7H)-one in which positions 2, 6, and 8 are substituted by 4-hydroxybenzyl, 4-hydroxyphenyl, and benzyl groups, respectively. It has a role as a luciferin. It is a member of phenols and an imidazopyrazine. It derives from a hydride of an imidazo[1,2-a]pyrazine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
8-benzyl-6-(4-hydroxyphenyl)-2-[(4-hydroxyphenyl)methyl]imidazo[1,2-a]pyrazin-3-ol
CAS number
55779-48-1 CAS number cross-checked
Molecular formula
C26H21N3O3
UNII
3O1CB88RRD
MDL number
MFCD00467176
InChIKey
LNCOEGVEEQDKGX-UHFFFAOYSA-N
InChI
InChI=1S/C26H21N3O3/c30-20-10-6-18(7-11-20)15-23-26(32)29-16-24(19-8-12-21(31)13-9-19)27-22(25(29)28-23)14-17-4-2-1-3-5-17/h1-13,16,30-32H,14-15H2
SMILES (canonical and isomeric)
C1=CC=C(C=C1)CC2=NC(=CN3C2=NC(=C3O)CC4=CC=C(C=C4)O)C5=CC=C(C=C5)O

Synonyms

  • Coelenterazine, native
  • Oplophorus luciferin
  • 8-benzyl-2-(4-hydroxybenzyl)-6-(4-hydroxyphenyl)imidazo[1,2-a]pyrazin-3(7H)-one
  • coelenterate luciferin
  • 8-benzyl-6-(4-hydroxyphenyl)-2-[(4-hydroxyphenyl)methyl]-7H-imidazo[1,2-a]pyrazin-3-one
  • 8-benzyl-6-(4-hydroxyphenyl)-2-[(4-hydroxyphenyl)methyl]-3H,7H-imidazo[1,2-a]pyrazin-3-one
  • 8-Benzyl-2-(4-hydroxybenzyl)-6-(4-hydroxyphenyl)imidazo-[1,2a]pyrazin-3(7H)-one
  • Imidazo(1,2-a)pyrazin-3(7H)-one, 6-(4-hydroxyphenyl)-2-((4-hydroxyphenyl)methyl)-8-(phenylmethyl)-
  • CLZN
  • Coelenterazine?
  • Luciferin (oplophorus)
  • Coelenterazinenative
  • Coelenterazine, natural
  • Coelenterazine - lyopholised
  • Coelenterazine, native, solid
  • Coelenterazine luciferin
  • Preluciferin (watasenia)
  • 2-(4-Hydroxybenzyl)-6-(4-hydroxyphenyl)-8-benzyl-3,7-dihydroimidazo(1,2-a)pyrazin-3-one
  • 3,2-Dihydro-2-(p-hydroxybenzyl)-6-(p-hydroxyphenyl)-8-benzylimidazolo[1,2-a]pyrazin-3-one
  • Imidazo[1,2-a]pyrazin-3(7H)-one,6-(4-hydroxyphenyl)-2-[(4-hydroxyphenyl)methyl]-8-(phenylmethyl)-
  • Coelenterazine - native, dried, pre-packed 0.5 mg
  • 2-(P-Hydroxybenzyl)-6-(P-hydroxyphenyl)-8-benzyl-imidazo[1,2-a]pyrazin-3-(7H)-one
  • 8-Benzyl-6-(4-hydroxyphenyl)-2-[(4-hydroxyphenyl)methyl]imidazo[1,2-a]pyrazin-3(7H)-one
  • 8-benzyl-6-(4-hydroxyphenyl)-2-[(4-hydroxyphenyl)methyl]imidazo[1,2-a]pyrazin-3-ol
  • 6-(4-Hydroxyphenyl)-2-((4-hydroxyphenyl)methyl)-8-(phenylmethyl)-7H-imidazo(3,2-a)pyrazin-3-one
Show all 26 synonyms
  • 6-(4-Hydroxyphenyl)-2-((4-hydroxyphenyl)methyl)-8-(phenylmethyl)imidazo(1,2-a)pyrazin-3(7H)-one

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
423.47 g/molcalc.
Exact mass
423.1583 Dacalc.
LogP (octanol/water)
4.69calc.
Topological polar surface area
90.88 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
5calc.
Heavy atoms
32calc.
Rings
5calc.
Aromatic rings
5calc.
Fraction sp3 carbons
0.08calc.
Formal charge
0calc.
Stereocentres
0calc.
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, c1ccc(Cc2cn3cc(-c4ccccc4)nc(Cc4ccccc4)c3n2)cc1

c1ccc(Cc2cn3cc(-c4ccccc4)nc(Cc4ccccc4)c3n2)cc1

5 rings, 29 atoms.

16 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.

Coelenterazine suppliers

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

All 11 suppliers
11 of 11 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

11 suppliers in 3 countries

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Coelenterazine 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.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • luciferin
  • photobiochemical role
  • photochemical role

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 Coelenterazine is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Coelenterazine?

Oplophorus luciferin is an imidazopyrazine that is imidazo[1,2-a]pyrazin-3(7H)-one in which positions 2, 6, and 8 are substituted by 4-hydroxybenzyl, 4-hydroxyphenyl, and benzyl groups, respectively. It has a role as a luciferin. It is a member of phenols and an imidazopyrazine.

What is the CAS number of Coelenterazine?

The CAS registry number of Coelenterazine is 55779-48-1.

What is the molecular formula and weight of Coelenterazine?

The molecular formula of Coelenterazine is C26H21N3O3 and its molar mass is 423.47 g/mol.

What is Coelenterazine used for?

Known uses and roles of Coelenterazine include fluorescent probes in research and laboratory, luciferin, photobiochemical role and photochemical role.

Is Coelenterazine hazardous?

No GHS hazard classification for Coelenterazine 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 Coelenterazine?

Coelenterazine is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Coelenterazine?

CompoundList lists 11 suppliers of Coelenterazine in China, United States and Germany. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Coelenterazine?

Suppliers quote Coelenterazine 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 Coelenterazine

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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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