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Isotope-labelled compounds

Cefaclor-d5

Also known as (6R,7R)-7-[[(2R)-2-amino-2-(2,3,4,5,6-pentadeuteriophenyl)acetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, Cefaclor Impurity 23

CAS 1426173-90-1Formula C15H14ClN3O4SMolar mass 372.84 g/mol
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Cefaclor-d5 chemical structure, C15H14ClN3O4S, CAS 1426173-90-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1426173-90-1
Formula
C15H14ClN3O4S
Molar mass
372.84 g/mol
HS code
284590
Category
Isotope-labelled compounds

What is Cefaclor-d5?

Plain description, key identifiers and synonyms

Cefaclor-d5 is a chemical substance with the molecular formula C15H14ClN3O4S and a molar mass of 372.84 g/mol. Its CAS registry number is 1426173-90-1. The IUPAC name is (6R,7R)-7-[[(2R)-2-amino-2-(2,3,4,5,6-pentadeuteriophenyl)acetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(6R,7R)-7-[[(2R)-2-amino-2-(2,3,4,5,6-pentadeuteriophenyl)acetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS number
1426173-90-1
Molecular formula
C15H14ClN3O4S
InChIKey
QYIYFLOTGYLRGG-IMLLATIOSA-N
InChI
InChI=1S/C15H14ClN3O4S/c16-8-6-24-14-10(13(21)19(14)11(8)15(22)23)18-12(20)9(17)7-4-2-1-3-5-7/h1-5,9-10,14H,6,17H2,(H,18,20)(H,22,23)/t9-,10-,14-/m1/s1/i1D,2D,3D,4D,5D
Canonical SMILES
NC(C(=O)NC1C(=O)N2C(C(=O)O)=C(Cl)CSC12)c1ccccc1
Isomeric SMILES
[2H]C1=C(C(=C(C(=C1[2H])[2H])[C@H](C(=O)N[C@H]2[C@@H]3N(C2=O)C(=C(CS3)Cl)C(=O)O)N)[2H])[2H]

Synonyms

  • (6R,7R)-7-[[(2R)-2-amino-2-(2,3,4,5,6-pentadeuteriophenyl)acetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
  • Cefaclor Impurity 23

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
372.84 g/molcalc.
Exact mass
372.0707 Dacalc.
LogP (octanol/water)
0.62calc.
Topological polar surface area
112.7 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
4calc.
Heavy atoms
24calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.27calc.
Formal charge
0calc.
Stereocentres
3calc.
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, O=C(Cc1ccccc1)NC1C(=O)N2C=CCSC12

O=C(Cc1ccccc1)NC1C(=O)N2C=CCSC12

3 rings, 19 atoms.

98 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.

Cefaclor-d5 suppliers

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Cefaclor-d5 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

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 Cefaclor-d5 is traded under.

HS 2845.90Indicative HS code

Compounds, inorganic or organic, of such isotopes, whether or not chemically defined

World exports in 2024
$2.67B
+19.0% vs 2023, imports $1.67B
2019 to 2024
Top exporters
  1. Ireland55.3%
  2. Hong Kong11.8%
  3. United States10.7%
Top importers
  1. China24.3%
  2. Ireland21.9%
  3. South Korea13.3%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Cefaclor-d5 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Cefaclor-d5, based on the data on this page

What is Cefaclor-d5?

Cefaclor-d5 is a chemical substance with the molecular formula C15H14ClN3O4S and a molar mass of 372.84 g/mol. Its CAS registry number is 1426173-90-1. The IUPAC name is (6R,7R)-7-[[(2R)-2-amino-2-(2,3,4,5,6-pentadeuteriophenyl)acetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

What is the CAS number of Cefaclor-d5?

The CAS registry number of Cefaclor-d5 is 1426173-90-1.

What is the molecular formula and weight of Cefaclor-d5?

The molecular formula of Cefaclor-d5 is C15H14ClN3O4S and its molar mass is 372.84 g/mol.

What is Cefaclor-d5 used for?

Known uses and roles of Cefaclor-d5 include isotope-labelled compounds in research and laboratory.

Is Cefaclor-d5 hazardous?

No GHS hazard classification for Cefaclor-d5 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 Cefaclor-d5?

Cefaclor-d5 is usually classified under HS code 284590 (Isotopes other than those of heading 2844, compounds, inorganic or organic, of such…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cefaclor-d5?

Post a free request on CompoundList and suppliers of Cefaclor-d5 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Cefaclor-d5?

Suppliers quote Cefaclor-d5 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

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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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