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Impurities and reference standards

Claforan

Also known as sodium (6R,7R)-3-[(acetyloxy)methyl]-7-[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetamido]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate, Cefotaxim sodium, Sodium (6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CAS 65715-12-0Formula C16H16N5NaO7S2Molar mass 477.46 g/mol
3 suppliers listed
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Claforan chemical structure, C16H16N5NaO7S2, CAS 65715-12-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
65715-12-0
Formula
C16H16N5NaO7S2
Molar mass
477.46 g/mol
HS code
294190
Category
Impurities and reference standards

What is Claforan?

Plain description, key identifiers and synonyms

Claforan is a chemical substance with the molecular formula C16H16N5NaO7S2 and a molar mass of 477.46 g/mol. Its CAS registry number is 65715-12-0. The IUPAC name is sodium (6R,7R)-3-(acetyloxymethyl)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
sodium (6R,7R)-3-(acetyloxymethyl)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
CAS number
65715-12-0
Molecular formula
C16H16N5NaO7S2
UNII
GE3J4ZL28E
InChIKey
AZZMGZXNTDTSME-AAUIGXPGSA-M
InChI
InChI=1S/C16H17N5O7S2.Na/c1-6(22)28-3-7-4-29-14-10(13(24)21(14)11(7)15(25)26)19-12(23)9(20-27-2)8-5-30-16(17)18-8;/h5,10,14H,3-4H2,1-2H3,(H2,17,18)(H,19,23)(H,25,26);/q;+1/p-1/b20-9+;/t10-,14-;/m1./s1
Canonical SMILES
CON=C(C(=O)NC1C(=O)N2C(C(=O)[O-])=C(COC(C)=O)CSC12)c1csc(N)n1.[Na+]
Isomeric SMILES
CC(=O)OCC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)/C(=N/OC)/C3=CSC(=N3)N)SC1)C(=O)[O-].[Na+]

Synonyms

  • sodium (6R,7R)-3-[(acetyloxy)methyl]-7-[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetamido]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
  • Cefotaxim sodium
  • Sodium (6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
  • Cefotaxime sodium (ep impurity)
  • Cefotaxime sodium, e-
  • Sodium (6R,7R)-3-(acetoxymethyl)-7-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
  • sodium (6R,7R)-3-[(acetyloxy)methyl]-7-[2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetamido]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
  • Cefotaxime EP Impurity D Sodium Salt
  • Sodium (6R-(6alpha,7beta(Z)))-3-(acetoxymethyl)-7-((2-aminothiazol-4-yl)(methoxyimino)acetam
  • Sodium(6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

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
477.46 g/molcalc.
Exact mass
477.0389 Dacalc.
LogP (octanol/water)
-4.95calc.
Topological polar surface area
176.3 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
12calc.
Rotatable bonds
7calc.
Heavy atoms
31calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.38calc.
Formal charge
0calc.
Stereocentres
2calc.
Components
2calc.
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, 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

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.

Claforan suppliers

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All 3 suppliers
  • Acorn PharmaTech, LLC
    United States, Redwood CityUnclaimed profile
    ClaforanGrade, purity and minimum order on request
    Price on request
    View
  • BioCrick
    China, ChengduUnclaimed profile
    ClaforanGrade, purity and minimum order on request
    Price on request
    View
  • China MainChem Co., Ltd.
    China, XiaMenUnclaimed profile
    ClaforanGrade, purity and minimum order on request
    Price on request
    View

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

3 suppliers in 2 countries

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

Frequently asked questions

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

What is Claforan?

Claforan is a chemical substance with the molecular formula C16H16N5NaO7S2 and a molar mass of 477.46 g/mol. Its CAS registry number is 65715-12-0.

What is the CAS number of Claforan?

The CAS registry number of Claforan is 65715-12-0.

What is the molecular formula and weight of Claforan?

The molecular formula of Claforan is C16H16N5NaO7S2 and its molar mass is 477.46 g/mol.

Is Claforan hazardous?

No GHS hazard classification for Claforan 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 Claforan?

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

Where can I buy Claforan?

CompoundList lists 3 suppliers of Claforan in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Claforan?

Suppliers quote Claforan 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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