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Impurities and reference standards

Eipw 103

Also known as E.I.P.W. 103, Eipw-103, 2-[4-[(E)-1,2-diphenylethenyl]phenoxy]-N,N-diethylethanamine

CAS 19957-52-9Formula C26H29NOMolar mass 371.52 g/molEC 606-410-1
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Eipw 103 chemical structure, C26H29NO, CAS 19957-52-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
19957-52-9
Formula
C26H29NO
Molar mass
371.52 g/mol
EC number
606-410-1
HS code
292229
Category
Impurities and reference standards

What is Eipw 103?

Plain description, key identifiers and synonyms

Eipw 103 is a chemical substance with the molecular formula C26H29NO and a molar mass of 371.52 g/mol. Its CAS registry number is 19957-52-9. The IUPAC name is 2-[4-[(E)-1,2-diphenylethenyl]phenoxy]-N,N-diethylethanamine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[4-[(E)-1,2-diphenylethenyl]phenoxy]-N,N-diethylethanamine
CAS number
19957-52-9
EC number
606-410-1
Molecular formula
C26H29NO
UNII
U6PB68Y8K4, VA7AM6TA2J
InChIKey
YOKPBLYAKJJMQO-YYADALCUSA-N
InChI
InChI=1S/C26H29NO/c1-3-27(4-2)19-20-28-25-17-15-24(16-18-25)26(23-13-9-6-10-14-23)21-22-11-7-5-8-12-22/h5-18,21H,3-4,19-20H2,1-2H3/b26-21+
Canonical SMILES
CCN(CC)CCOc1ccc(C(=Cc2ccccc2)c2ccccc2)cc1
Isomeric SMILES
CCN(CC)CCOC1=CC=C(C=C1)/C(=C/C2=CC=CC=C2)/C3=CC=CC=C3

Synonyms

  • E.I.P.W. 103
  • Eipw-103
  • 2-[4-[(E)-1,2-diphenylethenyl]phenoxy]-N,N-diethylethanamine
  • Deschloro Clomiphene
  • 2-(4-(1,2-Diphenylvinyl)phenoxy)-N,N-diethylethanamine
  • 2-[4-(1,2-Diphenylethenyl)phenoxy]-N,N-diethyl-ethanamine
  • Deschloro Clomiphene (E/Z Mixture)
  • 2-(4-(1,2-Diphenylethenyl)phenoxy)-N,N-diethylethanamine
  • 2-[4-(1,2-diphenylethenyl)phenoxy]-N,N-diethylethanamine
  • Deschloroclomiphene, (E)-
  • Ethanamine, 2-[4-(1,2-diphenylethenyl)phenoxy]-N,N-diethyl-
  • 2-[p-(1,2-Diphenylvinyl)phenoxy]-triethylamine
  • Clomifene Citrate EP Impurity A(Deschloro Clomiphene)

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
371.52 g/molcalc.
Exact mass
371.2249 Dacalc.
LogP (octanol/water)
6calc.
Topological polar surface area
12.47 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
9calc.
Heavy atoms
28calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.23calc.
Formal charge
0calc.
Stereocentres
0calc.
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, C(=C(c1ccccc1)c1ccccc1)c1ccccc1

C(=C(c1ccccc1)c1ccccc1)c1ccccc1

3 rings, 20 atoms, the Triphenylethylene ring system.

482 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.

Eipw 103 suppliers

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Eipw 103 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Eipw 103 is traded under.

HS 2922.29Indicative HS code

Amino-naphthols and other amino-phenols, other than those containing more than one kind…

World exports in 2024
$467M
−15.3% vs 2023, imports $454M
2019 to 2024
Top exporters
  1. China63.1%
  2. India * partner reported15.5%
  3. Japan4.0%
Top importers
  1. India * partner reported25.8%
  2. United States14.4%
  3. South Korea7.6%

* Partner reported figures, a lower bound.

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

The HS code shown for Eipw 103 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Eipw 103, based on the data on this page

What is Eipw 103?

Eipw 103 is a chemical substance with the molecular formula C26H29NO and a molar mass of 371.52 g/mol. Its CAS registry number is 19957-52-9. The IUPAC name is 2-[4-[(E)-1,2-diphenylethenyl]phenoxy]-N,N-diethylethanamine.

What is the CAS number of Eipw 103?

The CAS registry number of Eipw 103 is 19957-52-9.

What is the molecular formula and weight of Eipw 103?

The molecular formula of Eipw 103 is C26H29NO and its molar mass is 371.52 g/mol.

Is Eipw 103 hazardous?

No GHS hazard classification for Eipw 103 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 Eipw 103?

Eipw 103 is usually classified under HS code 292229 (Amino-naphthols and other amino-phenols, other than those containing more than one kind…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Eipw 103?

Post a free request on CompoundList and suppliers of Eipw 103 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Eipw 103?

Suppliers quote Eipw 103 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 Eipw 103

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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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