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Screening compounds

Cefaparole

Also known as Cefaparol, Cefaparolum, Lilly 110264

CAS 51627-20-4Formula C19H19N5O5S3Molar mass 493.59 g/molEC 257-325-8
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Cefaparole chemical structure, C19H19N5O5S3, CAS 51627-20-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
51627-20-4
Formula
C19H19N5O5S3
Molar mass
493.59 g/mol
EC number
257-325-8
HS code
294190
Category
Screening compounds

What is Cefaparole?

Plain description, key identifiers and synonyms

Cefaparole is a chemical substance with the molecular formula C19H19N5O5S3 and a molar mass of 493.59 g/mol. Its CAS registry number is 51627-20-4. The IUPAC name is (6R,7R)-7-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-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-(4-hydroxyphenyl)acetyl]amino]-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS number
51627-20-4 CAS number cross-checked
EC number
257-325-8
Molecular formula
C19H19N5O5S3
UNII
HW64W823GC
InChIKey
SBUCDZYLTRYMFG-PBFPGSCMSA-N
InChI
InChI=1S/C19H19N5O5S3/c1-8-22-23-19(32-8)31-7-10-6-30-17-13(16(27)24(17)14(10)18(28)29)21-15(26)12(20)9-2-4-11(25)5-3-9/h2-5,12-13,17,25H,6-7,20H2,1H3,(H,21,26)(H,28,29)/t12-,13-,17-/m1/s1
Canonical SMILES
Cc1nnc(SCC2=C(C(=O)O)N3C(=O)C(NC(=O)C(N)c4ccc(O)cc4)C3SC2)s1
Isomeric SMILES
CC1=NN=C(S1)SCC2=C(N3[C@@H]([C@@H](C3=O)NC(=O)[C@@H](C4=CC=C(C=C4)O)N)SC2)C(=O)O

Synonyms

  • Cefaparol
  • Cefaparolum
  • Lilly 110264
  • Cefaparole (USAN)
  • 7-(2-Amino-2-(p-hydroxyphenyl)acetamido)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-3-cephem-4-carboxylic acid
  • Cefaparol (INN-Spanish)
  • Cefaparolum (INN-Latin)

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
493.59 g/molcalc.
Exact mass
493.0548 Dacalc.
LogP (octanol/water)
1.08calc.
Topological polar surface area
158.7 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
10calc.
Rotatable bonds
7calc.
Heavy atoms
32calc.
Rings
4calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.32calc.
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=C(CSc3nncs3)CSC12

O=C(Cc1ccccc1)NC1C(=O)N2C=C(CSc3nncs3)CSC12

4 rings, 26 atoms.

2 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.

Cefaparole suppliers

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Cefaparole price

Indicative price range per kg from live supplier offers

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Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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

Frequently asked questions

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

What is Cefaparole?

Cefaparole is a chemical substance with the molecular formula C19H19N5O5S3 and a molar mass of 493.59 g/mol. Its CAS registry number is 51627-20-4.

What is the CAS number of Cefaparole?

The CAS registry number of Cefaparole is 51627-20-4.

What is the molecular formula and weight of Cefaparole?

The molecular formula of Cefaparole is C19H19N5O5S3 and its molar mass is 493.59 g/mol.

What is Cefaparole used for?

Known uses and roles of Cefaparole include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Cefaparole hazardous?

No GHS hazard classification for Cefaparole 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 Cefaparole?

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

Where can I buy Cefaparole?

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

What is the price of Cefaparole?

Suppliers quote Cefaparole 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 Cefaparole

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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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