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Impurities and reference standards

Cefaclor dimer

Also known as Cefaclor Impurity 24

CAS 142975-51-7Formula C30H26Cl2N6O7S2Molar mass 717.61 g/mol
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Cefaclor dimer chemical structure, C30H26Cl2N6O7S2, CAS 142975-51-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
142975-51-7
Formula
C30H26Cl2N6O7S2
Molar mass
717.61 g/mol
HS code
294190
Category
Impurities and reference standards

What is Cefaclor dimer?

Plain description, key identifiers and synonyms

Cefaclor dimer is a chemical substance with the molecular formula C30H26Cl2N6O7S2 and a molar mass of 717.61 g/mol. Its CAS registry number is 142975-51-7. The IUPAC name is (6R,7R)-7-[[(2R)-2-[[(6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carbonyl]amino]-2-phenylacetyl]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-[[(6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carbonyl]amino]-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS number
142975-51-7
Molecular formula
C30H26Cl2N6O7S2
InChIKey
HJVFFFPXPOSCTD-UZRIYZSQSA-N
InChI
InChI=1S/C30H26Cl2N6O7S2/c31-15-11-46-28-19(35-23(39)17(33)13-7-3-1-4-8-13)26(42)37(28)21(15)25(41)34-18(14-9-5-2-6-10-14)24(40)36-20-27(43)38-22(30(44)45)16(32)12-47-29(20)38/h1-10,17-20,28-29H,11-12,33H2,(H,34,41)(H,35,39)(H,36,40)(H,44,45)/t17-,18-,19-,20-,28-,29-/m1/s1
Canonical SMILES
NC(C(=O)NC1C(=O)N2C(C(=O)NC(C(=O)NC3C(=O)N4C(C(=O)O)=C(Cl)CSC34)c3ccccc3)=C(Cl)CSC12)c1ccccc1
Isomeric SMILES
C1C(=C(N2[C@H](S1)[C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)N)C(=O)N[C@H](C4=CC=CC=C4)C(=O)N[C@H]5[C@@H]6N(C5=O)C(=C(CS6)Cl)C(=O)O)Cl

Synonyms

  • Cefaclor Impurity 24

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
717.61 g/molcalc.
Exact mass
716.0681 Dacalc.
LogP (octanol/water)
1.33calc.
Topological polar surface area
191.2 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
9calc.
Rotatable bonds
9calc.
Heavy atoms
47calc.
Rings
6calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.27calc.
Formal charge
0calc.
Stereocentres
6calc.
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(Cc1ccccc1)NC1C(=O)N2C(C(=O)NC(C(=O)NC3C(=O)N4C=CCSC34)c3ccccc3)=CCSC12

O=C(Cc1ccccc1)NC1C(=O)N2C(C(=O)NC(C(=O)NC3C(=O)N4C=CCSC34)c3ccccc3)=CCSC12

6 rings, 41 atoms.

1 other chemical 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 dimer suppliers

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Cefaclor dimer 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 Cefaclor dimer is traded under.

HS 2941.90Indicative HS code

Antibiotics, other

World exports in 2024
$6.39B
+2.3% vs 2023, imports $6.97B
2019 to 2024
Top exporters
  1. China39.7%
  2. United States11.3%
  3. Switzerland * partner reported10.9%
Top importers
  1. Italy15.0%
  2. India * partner reported12.0%
  3. China8.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Cefaclor dimer, based on the data on this page

What is Cefaclor dimer?

Cefaclor dimer is a chemical substance with the molecular formula C30H26Cl2N6O7S2 and a molar mass of 717.61 g/mol. Its CAS registry number is 142975-51-7.

What is the CAS number of Cefaclor dimer?

The CAS registry number of Cefaclor dimer is 142975-51-7.

What is the molecular formula and weight of Cefaclor dimer?

The molecular formula of Cefaclor dimer is C30H26Cl2N6O7S2 and its molar mass is 717.61 g/mol.

Is Cefaclor dimer hazardous?

No GHS hazard classification for Cefaclor dimer 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 dimer?

Cefaclor dimer is usually classified under HS code 294190 (Antibiotics, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cefaclor dimer?

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What is the price of Cefaclor dimer?

Suppliers quote Cefaclor dimer 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 Cefaclor dimer

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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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