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Antibiotics and anti-infectives

Cefdinir monohydrate

Also known as (6R,7R)-7-(((2Z)-(2-Amino-4-thiazolyl)(hydroxyimino)acetyl) amino)-3-ethenyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid monohydrate, 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((2Z)-(2-amino-4-thiazolyl)(hydroxyimino)acetyl)amino)-3-ethenyl-8-oxo-, monohydrate, (6R,7R)-, 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((2Z)-2-(2-amino-4-thiazolyl)-2-(hydroxyimino)acetyl)amino)-3-ethenyl-8-oxo-, hydrate (1:1), (6R,7R)-

CAS 213978-34-8Formula C14H15N5O6S2Molar mass 413.44 g/molEC 606-754-2
GHS signal word: Danger. Pictograms: Serious health hazard 2 suppliers listed Drug substance
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Cefdinir monohydrate chemical structure, C14H15N5O6S2, CAS 213978-34-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
213978-34-8
Formula
C14H15N5O6S2
Molar mass
413.44 g/mol
EC number
606-754-2
HS code
294190
Category
Antibiotics and anti-infectives

What is Cefdinir monohydrate?

Plain description, key identifiers and synonyms

Cefdinir monohydrate is a chemical substance with the molecular formula C14H15N5O6S2 and a molar mass of 413.44 g/mol. Its CAS registry number is 213978-34-8. The IUPAC name is (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, hydrate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, hydrate
CAS number
213978-34-8
EC number
606-754-2
Molecular formula
C14H15N5O6S2
UNII
6E7SN358SE
InChIKey
QWUVJQSNISEEQI-KYIYMPJCSA-N
InChI
InChI=1S/C14H13N5O5S2.H2O/c1-2-5-3-25-12-8(11(21)19(12)9(5)13(22)23)17-10(20)7(18-24)6-4-26-14(15)16-6;/h2,4,8,12,24H,1,3H2,(H2,15,16)(H,17,20)(H,22,23);1H2/b18-7-;/t8-,12-;/m1./s1
Canonical SMILES
C=CC1=C(C(=O)O)N2C(=O)C(NC(=O)C(=NO)c3csc(N)n3)C2SC1.O
Isomeric SMILES
C=CC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)/C(=N\O)/C3=CSC(=N3)N)SC1)C(=O)O.O

Synonyms

  • (6R,7R)-7-(((2Z)-(2-Amino-4-thiazolyl)(hydroxyimino)acetyl) amino)-3-ethenyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid monohydrate
  • 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((2Z)-(2-amino-4-thiazolyl)(hydroxyimino)acetyl)amino)-3-ethenyl-8-oxo-, monohydrate, (6R,7R)-
  • 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((2Z)-2-(2-amino-4-thiazolyl)-2-(hydroxyimino)acetyl)amino)-3-ethenyl-8-oxo-, hydrate (1:1), (6R,7R)-
  • Cefdinir Monohydrate - API Standards

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
413.44 g/molcalc.
Exact mass
413.0464 Dacalc.
LogP (octanol/water)
-1calc.
Topological polar surface area
189.7 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
9calc.
Rotatable bonds
5calc.
Heavy atoms
27calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.21calc.
Formal charge
0calc.
Stereocentres
2calc.
Components
2calc.
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, N=C(C(=O)NC1C(=O)N2C=CCSC12)c1cscn1

N=C(C(=O)NC1C(=O)N2C=CCSC12)c1cscn1

3 rings, 19 atoms.

96 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H317May cause an allergic skin reaction.
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled.
Precautionary statements (15)
  • P233Keep container tightly closed.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P271Use only outdoors or in a well-ventilated area.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P342 + P316If experiencing respiratory symptoms: Get emergency medical help immediately.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403Store in a well-ventilated place.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Cefdinir monohydrate suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 2 countries

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Cefdinir monohydrate 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

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Cefdinir monohydrate 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 Cefdinir monohydrate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Cefdinir monohydrate, based on the data on this page

What is Cefdinir monohydrate?

Cefdinir monohydrate is a chemical substance with the molecular formula C14H15N5O6S2 and a molar mass of 413.44 g/mol. Its CAS registry number is 213978-34-8.

What is the CAS number of Cefdinir monohydrate?

The CAS registry number of Cefdinir monohydrate is 213978-34-8.

What is the molecular formula and weight of Cefdinir monohydrate?

The molecular formula of Cefdinir monohydrate is C14H15N5O6S2 and its molar mass is 413.44 g/mol.

What is Cefdinir monohydrate used for?

Known uses and roles of Cefdinir monohydrate include antibacterials and antibiotics in pharmaceuticals.

Is Cefdinir monohydrate hazardous?

Cefdinir monohydrate carries the GHS signal word "Danger". Main hazards: may cause an allergic skin reaction, may cause allergy or asthma symptoms or breathing difficulties if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cefdinir monohydrate?

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

Where can I buy Cefdinir monohydrate?

CompoundList lists 2 suppliers of Cefdinir monohydrate in India and Oman. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Cefdinir monohydrate in India?

1 supplier in India list Cefdinir monohydrate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Cefdinir monohydrate?

Suppliers quote Cefdinir monohydrate 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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