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Aprepitant impurity 13

Also known as Aprepitant Impurity S, (2R,3S)-2-[(1R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-(phenylmethyl)morpholine, (2R,3S)-4-benzyl-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholine

CAS 2377328-01-1Formula C27H24F7NO2Molar mass 527.48 g/mol
Aprepitant impurity 13 chemical structure, C27H24F7NO2, CAS 2377328-01-1
2D chemical structure

Key facts

What buyers check first

CAS number
2377328-01-1
Formula
C27H24F7NO2
Molar mass
527.48 g/mol
HS code
293499
Category
Impurities and reference standards

What is Aprepitant impurity 13?

Plain description, key identifiers and synonyms

Aprepitant impurity 13 is a chemical substance with the molecular formula C27H24F7NO2 and a molar mass of 527.48 g/mol. Its CAS registry number is 2377328-01-1. The IUPAC name is (2R,3S)-4-benzyl-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R,3S)-4-benzyl-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholine
CAS number
2377328-01-1Other or deprecated CAS: 1254261-32-9, 183664-56-4
Molecular formula
C27H24F7NO2
UNII
65WST2HT48
InChIKey
VCCMYHFCDISHPD-HCOMASKESA-N
InChI
InChI=1S/C27H24F7NO2/c1-17(20-13-21(26(29,30)31)15-22(14-20)27(32,33)34)37-25-24(19-7-9-23(28)10-8-19)35(11-12-36-25)16-18-5-3-2-4-6-18/h2-10,13-15,17,24-25H,11-12,16H2,1H3/t17-,24+,25-/m1/s1
Canonical SMILES
CC(OC1OCCN(Cc2ccccc2)C1c1ccc(F)cc1)c1cc(C(F)(F)F)cc(C(F)(F)F)c1
Isomeric SMILES
C[C@H](C1=CC(=CC(=C1)C(F)(F)F)C(F)(F)F)O[C@@H]2[C@@H](N(CCO2)CC3=CC=CC=C3)C4=CC=C(C=C4)F

Synonyms

  • Aprepitant Impurity S
  • (2R,3S)-2-[(1R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-(phenylmethyl)morpholine
  • (2R,3S)-4-benzyl-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholine
  • Morpholine, 2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-(phenylmethyl)-, (2R,3S)-

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
527.48 g/molcalc.
Exact mass
527.1695 Dacalc.
LogP (octanol/water)
7.54calc.
Topological polar surface area
21.7 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
6calc.
Heavy atoms
37calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
3calc.
Lipinski rule of five
Fails (2 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(COC2OCCN(Cc3ccccc3)C2c2ccccc2)cc1

c1ccc(COC2OCCN(Cc3ccccc3)C2c2ccccc2)cc1

4 rings, 27 atoms.

3 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.

Aprepitant impurity 13 suppliers

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Aprepitant impurity 13 price

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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 Aprepitant impurity 13 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 Aprepitant impurity 13 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Guides for buyers

Practical guides that help when you source, ship or handle Aprepitant impurity 13

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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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