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Heterocyclic compounds

Lactopen

Also known as Benzylpenicillin-dimethylamino-ethylester hydroiodide, Penicillin G, 2-dimethylaminoethyl ester, hydriodide, 2-(Dimethylamino)ethyl (2S,5R,6R)-3,3-dimethyl-7-oxo-6-(2-phenylacetamido)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate--hydrogen iodide (1/1)

CAS 71798-32-8Formula C20H28IN3O4SMolar mass 533.43 g/mol
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Lactopen chemical structure, C20H28IN3O4S, CAS 71798-32-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
71798-32-8
Formula
C20H28IN3O4S
Molar mass
533.43 g/mol
HS code
294110
Category
Heterocyclic compounds

What is Lactopen?

Plain description, key identifiers and synonyms

Lactopen is a chemical substance with the molecular formula C20H28IN3O4S and a molar mass of 533.43 g/mol. Its CAS registry number is 71798-32-8. The IUPAC name is 2-(dimethylamino)ethyl (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate, hydroiodide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(dimethylamino)ethyl (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate, hydroiodide
CAS number
71798-32-8 CAS number cross-checked
Molecular formula
C20H28IN3O4S
InChIKey
NGASWANRINDJST-PNQHFFRLSA-N
InChI
InChI=1S/C20H27N3O4S.HI/c1-20(2)16(19(26)27-11-10-22(3)4)23-17(25)15(18(23)28-20)21-14(24)12-13-8-6-5-7-9-13;/h5-9,15-16,18H,10-12H2,1-4H3,(H,21,24);1H/t15-,16+,18-;/m1./s1
Canonical SMILES
CN(C)CCOC(=O)C1N2C(=O)C(NC(=O)Cc3ccccc3)C2SC1(C)C.I
Isomeric SMILES
CC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)CC3=CC=CC=C3)C(=O)OCCN(C)C)C.I

Synonyms

  • Benzylpenicillin-dimethylamino-ethylester hydroiodide
  • Penicillin G, 2-dimethylaminoethyl ester, hydriodide
  • 2-(Dimethylamino)ethyl (2S,5R,6R)-3,3-dimethyl-7-oxo-6-(2-phenylacetamido)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate--hydrogen iodide (1/1)

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
533.43 g/molcalc.
Exact mass
533.0845 Dacalc.
LogP (octanol/water)
1.5calc.
Topological polar surface area
78.95 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
7calc.
Heavy atoms
29calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.55calc.
Formal charge
0calc.
Stereocentres
3calc.
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, O=C(Cc1ccccc1)NC1C(=O)N2CCSC12

O=C(Cc1ccccc1)NC1C(=O)N2CCSC12

3 rings, 18 atoms.

177 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.

Lactopen suppliers

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Lactopen 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 Lactopen is traded under.

HS 2941.10Indicative HS code

Penicillins and their derivatives with a penicillanic acid structure, salts thereof

World exports in 2024
$1.66B
−2.5% vs 2023, imports $1.63B
2019 to 2024
Top exporters
  1. China56.8%
  2. Spain13.1%
  3. India * partner reported7.7%
Top importers
  1. India * partner reported16.4%
  2. Austria9.3%
  3. Brazil5.4%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Lactopen?

Lactopen is a chemical substance with the molecular formula C20H28IN3O4S and a molar mass of 533.43 g/mol. Its CAS registry number is 71798-32-8. The IUPAC name is 2-(dimethylamino)ethyl (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate, hydroiodide.

What is the CAS number of Lactopen?

The CAS registry number of Lactopen is 71798-32-8.

What is the molecular formula and weight of Lactopen?

The molecular formula of Lactopen is C20H28IN3O4S and its molar mass is 533.43 g/mol.

What is Lactopen used for?

Known uses and roles of Lactopen include polymer antioxidants in plastics and polymers.

Is Lactopen hazardous?

No GHS hazard classification for Lactopen 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 Lactopen?

Lactopen is usually classified under HS code 294110 (Penicillins and their derivatives with a penicillanic acid structure, salts thereof). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Lactopen?

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

What is the price of Lactopen?

Suppliers quote Lactopen 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 Lactopen

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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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