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Astiron

Also known as Astyron, ethyl 2-[[2-acetamido-3-[4-[bis(2-chloroethyl)amino]phenyl]propanoyl]amino]-3-(4-hydroxyphenyl)propanoate, N-Acetyl-p-(bis(2-chloroethyl)amino)phenylalanyl-tyrosine ethyl ester

CAS 1620-24-2Formula C26H33Cl2N3O5Molar mass 538.47 g/mol
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Astiron chemical structure, C26H33Cl2N3O5, CAS 1620-24-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1620-24-2
Formula
C26H33Cl2N3O5
Molar mass
538.47 g/mol
HS code
292429
Category
Peptides

What is Astiron?

Plain description, key identifiers and synonyms

Astiron is a chemical substance with the molecular formula C26H33Cl2N3O5 and a molar mass of 538.47 g/mol. Its CAS registry number is 1620-24-2. The IUPAC name is ethyl 2-[[2-acetamido-3-[4-[bis(2-chloroethyl)amino]phenyl]propanoyl]amino]-3-(4-hydroxyphenyl)propanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethyl 2-[[2-acetamido-3-[4-[bis(2-chloroethyl)amino]phenyl]propanoyl]amino]-3-(4-hydroxyphenyl)propanoate
CAS number
1620-24-2 CAS number cross-checked
Molecular formula
C26H33Cl2N3O5
InChIKey
SULYQGVAYSECAW-UHFFFAOYSA-N
InChI
InChI=1S/C26H33Cl2N3O5/c1-3-36-26(35)24(17-20-6-10-22(33)11-7-20)30-25(34)23(29-18(2)32)16-19-4-8-21(9-5-19)31(14-12-27)15-13-28/h4-11,23-24,33H,3,12-17H2,1-2H3,(H,29,32)(H,30,34)
SMILES (canonical and isomeric)
CCOC(=O)C(CC1=CC=C(C=C1)O)NC(=O)C(CC2=CC=C(C=C2)N(CCCl)CCCl)NC(=O)C

Synonyms

  • Astyron
  • ethyl 2-[[2-acetamido-3-[4-[bis(2-chloroethyl)amino]phenyl]propanoyl]amino]-3-(4-hydroxyphenyl)propanoate
  • N-Acetyl-p-(bis(2-chloroethyl)amino)phenylalanyl-tyrosine ethyl ester
  • L-Tyrosine, N-(N-acetyl-4-(bis(2-chloroethyl)amino)-DL-phenylalanyl)-, ethyl ester
  • 3-{4-[Bis(2-chloroethyl)amino]phenyl}-N-[1-ethoxy-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]-2-[(1-hydroxyethylidene)amino]propanimidic acid

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
538.47 g/molcalc.
Exact mass
537.1797 Dacalc.
LogP (octanol/water)
3.01calc.
Topological polar surface area
108 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
14calc.
Heavy atoms
36calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.42calc.
Formal charge
0calc.
Stereocentres
2calc.
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, O=C(CCc1ccccc1)NCCc1ccccc1

O=C(CCc1ccccc1)NCCc1ccccc1

2 rings, 19 atoms, the 3-Phenyl-N-(2-phenylethyl)propanamide ring system.

413 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.

Astiron suppliers

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Astiron 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 Astiron is traded under.

HS 2924.29Indicative HS code

Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$5.69B
−5.1% vs 2023, imports $5.8B
2019 to 2024
Top exporters
  1. China32.3%
  2. Switzerland * partner reported13.6%
  3. Norway * partner reported12.8%
Top importers
  1. United States15.9%
  2. Ireland15.8%
  3. Germany11.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Astiron?

Astiron is a chemical substance with the molecular formula C26H33Cl2N3O5 and a molar mass of 538.47 g/mol. Its CAS registry number is 1620-24-2. The IUPAC name is ethyl 2-[[2-acetamido-3-[4-[bis(2-chloroethyl)amino]phenyl]propanoyl]amino]-3-(4-hydroxyphenyl)propanoate.

What is the CAS number of Astiron?

The CAS registry number of Astiron is 1620-24-2.

What is the molecular formula and weight of Astiron?

The molecular formula of Astiron is C26H33Cl2N3O5 and its molar mass is 538.47 g/mol.

Is Astiron hazardous?

No GHS hazard classification for Astiron 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 Astiron?

Astiron is usually classified under HS code 292429 (Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Astiron?

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What is the price of Astiron?

Suppliers quote Astiron 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 Astiron

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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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