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Screening compounds

Dansylproline

Also known as Dansyl proline, Dansyl-L-proline, (S)-1-((5-(Dimethylamino)naphthalen-1-yl)sulfonyl)pyrrolidine-2-carboxylic acid

CAS 1239-94-7Formula C17H20N2O4SMolar mass 348.42 g/molEC 255-949-5
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Dansylproline chemical structure, C17H20N2O4S, CAS 1239-94-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1239-94-7
Formula
C17H20N2O4S
Molar mass
348.42 g/mol
EC number
255-949-5
HS code
293590
Category
Screening compounds

What is Dansylproline?

Plain description, key identifiers and synonyms

Dansylproline is a chemical substance with the molecular formula C17H20N2O4S and a molar mass of 348.42 g/mol. Its CAS registry number is 1239-94-7. The IUPAC name is (2S)-1-[5-(dimethylamino)naphthalen-1-yl]sulfonylpyrrolidine-2-carboxylic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-1-[5-(dimethylamino)naphthalen-1-yl]sulfonylpyrrolidine-2-carboxylic acid
CAS number
1239-94-7 CAS number cross-checkedOther or deprecated CAS: 42808-11-7
EC number
255-949-5
Molecular formula
C17H20N2O4S
MDL number
MFCD00069514
InChIKey
ZHJIWURDCGMVQE-HNNXBMFYSA-N
InChI
InChI=1S/C17H20N2O4S/c1-18(2)14-8-3-7-13-12(14)6-4-10-16(13)24(22,23)19-11-5-9-15(19)17(20)21/h3-4,6-8,10,15H,5,9,11H2,1-2H3,(H,20,21)/t15-/m0/s1
Canonical SMILES
CN(C)c1cccc2c(S(=O)(=O)N3CCCC3C(=O)O)cccc12
Isomeric SMILES
CN(C)C1=CC=CC2=C1C=CC=C2S(=O)(=O)N3CCC[C@H]3C(=O)O

Synonyms

  • Dansyl proline
  • Dansyl-L-proline
  • (S)-1-((5-(Dimethylamino)naphthalen-1-yl)sulfonyl)pyrrolidine-2-carboxylic acid
  • L-Proline, 1-[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]-
  • ((5-(dimethylamino)naphthalen-1-yl)sulfonyl)-L-proline
  • (2S)-1-[5-(dimethylamino)naphthalen-1-yl]sulfonylpyrrolidine-2-carboxylic acid
  • (2S)-1-{[5-(dimethylamino)naphthalen-1-yl]sulfonyl}pyrrolidine-2-carboxylic acid
  • L-Proline, 1-((5-(dimethylamino)-1-naphthalenyl)sulfonyl)-
  • Dansyl-Pro-OH
  • 1-[5-(Dimethylamino)naphthalene-1-sulfonyl]-L-proline
  • (2S)-1-[[5-(dimethylamino)-1-naphthyl]sulfonyl]pyrrolidine-2-carboxylic acid
  • (S)-1-[[5-(Dimethylamino)-1-naphthyl]sulfonyl]pyrrolidine-2-carboxylic Acid

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
348.42 g/molcalc.
Exact mass
348.1144 Dacalc.
LogP (octanol/water)
2.14calc.
Topological polar surface area
77.92 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
24calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.35calc.
Formal charge
0calc.
Stereocentres
1calc.
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=S(=O)(c1cccc2ccccc12)N1CCCC1

O=S(=O)(c1cccc2ccccc12)N1CCCC1

3 rings, 18 atoms, the (Naphthylsulfonyl)pyrrolidine ring system.

18 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.

Dansylproline suppliers

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Dansylproline 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 Dansylproline is traded under.

HS 2935.90Indicative HS code

Sulphonamides, other

World exports in 2024
$5.64B
−11.0% vs 2023, imports $8.56B
2019 to 2024
Top exporters
  1. Ireland43.1%
  2. China12.0%
  3. India * partner reported9.5%
Top importers
  1. United States23.6%
  2. Slovenia19.1%
  3. Spain11.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Dansylproline?

Dansylproline is a chemical substance with the molecular formula C17H20N2O4S and a molar mass of 348.42 g/mol. Its CAS registry number is 1239-94-7. The IUPAC name is (2S)-1-[5-(dimethylamino)naphthalen-1-yl]sulfonylpyrrolidine-2-carboxylic acid.

What is the CAS number of Dansylproline?

The CAS registry number of Dansylproline is 1239-94-7. Other or deprecated CAS numbers: 42808-11-7.

What is the molecular formula and weight of Dansylproline?

The molecular formula of Dansylproline is C17H20N2O4S and its molar mass is 348.42 g/mol.

What is Dansylproline used for?

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

Is Dansylproline hazardous?

No GHS hazard classification for Dansylproline 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 Dansylproline?

Dansylproline is usually classified under HS code 293590 (Sulphonamides, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dansylproline?

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

What is the price of Dansylproline?

Suppliers quote Dansylproline 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 Dansylproline

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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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