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Fexofenadinone

Product Name
Fexofenadinone
CAS No.
76811-98-8
Chemical Name
Fexofenadinone
Synonyms
Fexofenadinone;FEXOFEDINE IMP-A;fexofenadine Imp-A;Fexofenadine EP Imp A;FEXOFEDINE IMPURITY A;Fexofenadine EP Impurity A;Fexofenadine EP Impurity 1;Fexofenadine impurity A CRS;2-[4-[4-[4-(Hydroxydiphenylmethyl)p;Fexofenadine USP Related Compound A
CBNumber
CB42470287
Molecular Formula
C32H37NO4
Formula Weight
499.65
MOL File
76811-98-8.mol
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Fexofenadinone Property

Melting point:
164-166 °C
Boiling point:
693.9±55.0 °C(Predicted)
Density 
1.165
storage temp. 
Hygroscopic, Refrigerator, Under inert atmosphere
solubility 
Aqueous Acid (Slightly), DMSO (Slightly, Heated, Sonicated), Methanol (Very Slightly)
form 
powder
pka
4.16±0.10(Predicted)
color 
White to Light Grey
Stability:
Hygroscopic
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Safety

HS Code 
2933399090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
Y0000751
Product name
Fexofenadine impurity A,
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
5 mg
Price
$156
Updated
2025/07/31
Sigma-Aldrich
Product number
PHR2454
Product name
Fexofenadine Related Compound A
Purity
PharmaceuticalSecondaryStandard;CertifiedReferenceMaterial
Packaging
50MG
Price
$574
Updated
2025/07/31
Sigma-Aldrich
Product number
1270388
Product name
Fexofenadine Related Compound A
Packaging
25mg
Price
$1300
Updated
2025/07/31
Sigma-Aldrich
Product number
Y0000751
Product name
Fexofenadine impurity A,
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
y0000751
Price
$153
Updated
2024/03/01
TRC
Product number
F322520
Product name
Fexofenadinone
Packaging
25mg
Price
$100
Updated
2021/12/16
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Fexofenadinone Chemical Properties,Usage,Production

Chemical Properties

Off-White to Light Grey Solid

Uses

The oxo analogue of Fexofenadine (F322470); H1-histamine receptor antagonist and an active metabolite of Terfenadine (T114500).

Fexofenadinone Preparation Products And Raw materials

Raw materials

Preparation Products

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Fexofenadinone Suppliers

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76811-98-8, FexofenadinoneRelated Search:


  • 4-((4-(4-Hydroxydiphenylmethyl)-1-piperidinyl)-1-oxobutyl)-a,a-dimethyl-phenylacetic acid
  • Fexofenadinone
  • Fexofenadine Related Compound A (25 mg) (4-[1-oxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-alpha,alpha-dimethyl benzeneacetic acid)
  • 2-[4-[4-[4-(HydroxydiphenylMethyl)-1-piperidinyl]-1-oxobutyl]phenyl]-2,2-diMethylacetic Acid
  • 4-[1-Oxo-4-[4-(hydroxydiphenylMethyl)-1-piperidinyl]butyl]-α,α-diMethylbenzeneacetic Acid
  • 4-[4-[4-(Hydroxydiphenylmethyl)-1-piperidinyl]-1-oxobutyl]-α,α-dimethylphenylacetic acid
  • 2-(4-(4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoic acid
  • Fexofenadine EP Impurity A
  • CUSTOMS SYNTHESIZED CHEMICAL COMPOUNDSMETHYL 2-(4-(4-(4-(HYDROXYDIPHENYLMETHYL)PIPERIDIN-1- YL) BUTANOYL)PHENYL)-2-ME
  • Fexofenadine hydrochloride impurity A (EP)-G
  • Fexofenadine hydrochloride impurity A (EP)
  • Fexofenadine Hydrochloride EP Impurity A
  • Fexofenadine Impurity 1（Fexofenadine EP Impurity A）
  • Fexofenadine EP Imp A
  • 2-[4-[4-[4-(Hydroxydiphenylmethyl)p
  • Fexofenadine impurity A CRS
  • Benzeneacetic acid, 4-[4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]-1-oxobutyl]-α,α-dimethyl-
  • 4-(4- (4-hydroxydiphenylmethyl) -1-piperidyl) -1-oxybutyl) -a, A-dimethylphenylacetic acid
  • fexofenadine Imp-A
  • Fexofenadine EP Impurity A/ Fexofenadine Related Compound A (Fexofenadinone)
  • Fexofenadine EP Impurity AQ: What is Fexofenadine EP Impurity A Q: What is the CAS Number of Fexofenadine EP Impurity A Q: What is the storage condition of Fexofenadine EP Impurity A Q: What are the applications of Fexofenadine EP Impurity A
  • Fexofenadine impurity A (Y0000751)Q: What is Fexofenadine impurity A (Y0000751) Q: What is the CAS Number of Fexofenadine impurity A (Y0000751)
  • Fexofenadine Related Compound A (4-[1-oxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-alpha,a (1270388)
  • Fexofenadine USP Related Compound A
  • 2-(4-(4-(4-(Hydroxydiphenylmethyl)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoic acid (Fexofenadine Impurity)
  • 2-(4-{4-[4-(Hydroxy-diphenyl-methyl)-piperidin-1-yl]-butyryl}-phenyl)-2-methyl-propionic acid
  • FEXOFEDINE IMP-A
  • FEXOFEDINE IMPURITY A
  • Fexofenadine EP Impurity 1
  • Fexofenadine EP Impurity A Fexofenadine USP related compound A
  • 2-[4-[4-[4-(Hydroxydiphenylmethyl)piperidin-1-yl]butanoyl]phenyl]-2-methylpropanoic Acid (Ketofexofe
  • 2-[4-[4-[4-(Hydroxydiphenylmethyl)piperidin-1-yl]butanoyl]phenyl]-2-methylpropanoic Acid (Ketofexofenadine)
  • 76811-98-8
  • Aromatics
  • Heterocycles
  • Intermediates & Fine Chemicals
  • Metabolites & Impurities
  • Pharmaceuticals