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Heterocyclic building blocks

Amplex red

Also known as ADHP, Amplex red reagent, 10-Acetyl-3,7-dihydroxyphenoxazine

CAS 119171-73-2Formula C14H11NO4Molar mass 257.25 g/molEC 625-031-2
GHS signal word: Warning. Pictograms: Harmful or irritant 7 suppliers listed
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Amplex red chemical structure, C14H11NO4, CAS 119171-73-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
119171-73-2
Formula
C14H11NO4
Molar mass
257.25 g/mol
EC number
625-031-2
HS code
293499
Category
Heterocyclic building blocks

What is Amplex red?

Plain description, key identifiers and synonyms

Amplex red is a chemical substance with the molecular formula C14H11NO4 and a molar mass of 257.25 g/mol. Its CAS registry number is 119171-73-2. The IUPAC name is 1-(3,7-dihydroxyphenoxazin-10-yl)ethanone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(3,7-dihydroxyphenoxazin-10-yl)ethanone
CAS number
119171-73-2 CAS number cross-checked
EC number
625-031-2
Molecular formula
C14H11NO4
UNII
V9QPN8RQC7
MDL number
MFCD00467861
InChIKey
PKYCWFICOKSIHZ-UHFFFAOYSA-N
InChI
InChI=1S/C14H11NO4/c1-8(16)15-11-4-2-9(17)6-13(11)19-14-7-10(18)3-5-12(14)15/h2-7,17-18H,1H3
SMILES (canonical and isomeric)
CC(=O)N1C2=C(C=C(C=C2)O)OC3=C1C=CC(=C3)O

Synonyms

  • ADHP
  • Amplex red reagent
  • 10-Acetyl-3,7-dihydroxyphenoxazine
  • 1-(3,7-Dihydroxy-10H-phenoxazin-10-yl)ethanone
  • Ampliflu Red
  • 1-(3,7-dihydroxyphenoxazin-10-yl)ethanone
  • n-acetyl-3,7-dihydroxyphenoxazine
  • Ethanone, 1-(3,7-dihydroxy-10H-phenoxazin-10-yl)-
  • 1-(3,7-dihydroxy-10H-phenoxazin-10-yl)ethan-1-one
  • 10-Acetyl-10H-phenoxazine-3,7-diol
  • 10H-Phenoxazine-3,7-diol, 10-acetyl-
  • Ampliflu(TM) Red, for fluorescence, >=98.0% (HPLC)

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
257.25 g/molcalc.
Exact mass
257.0688 Dacalc.
LogP (octanol/water)
2.89calc.
Topological polar surface area
70 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
19calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.07calc.
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, c1ccc2c(c1)Nc1ccccc1O2

c1ccc2c(c1)Nc1ccccc1O2

3 rings, 14 atoms, the Phenoxazine ring system.

118 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

  • H302Harmful if swallowed.
Precautionary statements (5)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • 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

Amplex red suppliers

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

All 7 suppliers
7 of 7 offers

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Where suppliers are based

7 suppliers in 3 countries

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Amplex red 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

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

Frequently asked questions

Quick answers about Amplex red, based on the data on this page

What is Amplex red?

Amplex red is a chemical substance with the molecular formula C14H11NO4 and a molar mass of 257.25 g/mol. Its CAS registry number is 119171-73-2. The IUPAC name is 1-(3,7-dihydroxyphenoxazin-10-yl)ethanone.

What is the CAS number of Amplex red?

The CAS registry number of Amplex red is 119171-73-2.

What is the molecular formula and weight of Amplex red?

The molecular formula of Amplex red is C14H11NO4 and its molar mass is 257.25 g/mol.

What is Amplex red used for?

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

Is Amplex red hazardous?

Amplex red carries the GHS signal word "Warning". Main hazards: harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Amplex red?

Amplex red 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 Amplex red?

CompoundList lists 7 suppliers of Amplex red in China, United States and Switzerland. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Amplex red?

Suppliers quote Amplex red 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 Amplex red

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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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