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Impurities and reference standards

Cefcapene impurity 34

Also known as Cefcapene Pivoxil Impurity 69, ethyl (Z)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)pent-2-enoate

CAS 158743-37-4Formula C15H22N2O4SMolar mass 326.42 g/mol
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Cefcapene impurity 34 chemical structure, C15H22N2O4S, CAS 158743-37-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
158743-37-4
Formula
C15H22N2O4S
Molar mass
326.42 g/mol
HS code
293410
Category
Impurities and reference standards

What is Cefcapene impurity 34?

Plain description, key identifiers and synonyms

Cefcapene impurity 34 is a chemical substance with the molecular formula C15H22N2O4S and a molar mass of 326.42 g/mol. Its CAS registry number is 158743-37-4. The IUPAC name is ethyl (Z)-2-[2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]pent-2-enoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethyl (Z)-2-[2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]pent-2-enoate
CAS number
158743-37-4
Molecular formula
C15H22N2O4S
InChIKey
FXFQBPPYCOGZLS-NTMALXAHSA-N
InChI
InChI=1S/C15H22N2O4S/c1-6-8-10(12(18)20-7-2)11-9-22-13(16-11)17-14(19)21-15(3,4)5/h8-9H,6-7H2,1-5H3,(H,16,17,19)/b10-8-
Canonical SMILES
CCC=C(C(=O)OCC)c1csc(NC(=O)OC(C)(C)C)n1
Isomeric SMILES
CC/C=C(/C1=CSC(=N1)NC(=O)OC(C)(C)C)\C(=O)OCC

Synonyms

  • Cefcapene Pivoxil Impurity 69
  • ethyl (Z)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)pent-2-enoate

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
326.42 g/molcalc.
Exact mass
326.13 Dacalc.
LogP (octanol/water)
3.85calc.
Topological polar surface area
77.52 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
5calc.
Heavy atoms
22calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.53calc.
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, c1cscn1

c1cscn1

1 ring, 5 atoms, the Thiazole ring system.

16,016 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.

Cefcapene impurity 34 suppliers

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Cefcapene impurity 34 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 Cefcapene impurity 34 is traded under.

HS 2934.10Indicative HS code

Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the…

World exports in 2024
$3.88B
−16.1% vs 2023, imports $3.12B
2019 to 2024
Top exporters
  1. Switzerland * partner reported36.4%
  2. Ireland28.8%
  3. China10.0%
Top importers
  1. Canada33.4%
  2. United States14.4%
  3. Ireland13.1%

* Partner reported figures, a lower bound.

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

The HS code shown for Cefcapene impurity 34 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Cefcapene impurity 34, based on the data on this page

What is Cefcapene impurity 34?

Cefcapene impurity 34 is a chemical substance with the molecular formula C15H22N2O4S and a molar mass of 326.42 g/mol. Its CAS registry number is 158743-37-4. The IUPAC name is ethyl (Z)-2-[2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]pent-2-enoate.

What is the CAS number of Cefcapene impurity 34?

The CAS registry number of Cefcapene impurity 34 is 158743-37-4.

What is the molecular formula and weight of Cefcapene impurity 34?

The molecular formula of Cefcapene impurity 34 is C15H22N2O4S and its molar mass is 326.42 g/mol.

Is Cefcapene impurity 34 hazardous?

No GHS hazard classification for Cefcapene impurity 34 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 Cefcapene impurity 34?

Cefcapene impurity 34 is usually classified under HS code 293410 (Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cefcapene impurity 34?

Post a free request on CompoundList and suppliers of Cefcapene impurity 34 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Cefcapene impurity 34?

Suppliers quote Cefcapene impurity 34 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 Cefcapene impurity 34

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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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