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Impurities and reference standards

Monodesmethyl sumatriptan

Also known as Sumatriptan succinate specified impurity B, (3-(2-(Methylamino)ethyl)-1H-indol-5-yl)-N-methylmethanesulfonamide, 1H-Indole-5-methanesulfonamide, N-methyl-3-(2-(methylamino)ethyl)-

CAS 88919-51-1Formula C13H19N3O2SMolar mass 281.38 g/mol
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Monodesmethyl sumatriptan chemical structure, C13H19N3O2S, CAS 88919-51-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
88919-51-1
Formula
C13H19N3O2S
Molar mass
281.38 g/mol
HS code
293590
Category
Impurities and reference standards

What is Monodesmethyl sumatriptan?

Plain description, key identifiers and synonyms

Monodesmethyl sumatriptan is a chemical substance with the molecular formula C13H19N3O2S and a molar mass of 281.38 g/mol. Its CAS registry number is 88919-51-1. The IUPAC name is N-methyl-1-[3-[2-(methylamino)ethyl]-1H-indol-5-yl]methanesulfonamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-methyl-1-[3-[2-(methylamino)ethyl]-1H-indol-5-yl]methanesulfonamide
CAS number
88919-51-1 CAS number cross-checked
Molecular formula
C13H19N3O2S
UNII
6691XA829C
InChIKey
YDTVAJYBEHCVJY-UHFFFAOYSA-N
InChI
InChI=1S/C13H19N3O2S/c1-14-6-5-11-8-16-13-4-3-10(7-12(11)13)9-19(17,18)15-2/h3-4,7-8,14-16H,5-6,9H2,1-2H3
SMILES (canonical and isomeric)
CNCCC1=CNC2=C1C=C(C=C2)CS(=O)(=O)NC

Synonyms

  • Sumatriptan succinate specified impurity B
  • (3-(2-(Methylamino)ethyl)-1H-indol-5-yl)-N-methylmethanesulfonamide
  • 1H-Indole-5-methanesulfonamide, N-methyl-3-(2-(methylamino)ethyl)-
  • N-Methyl(3-(2-(methylamino)ethyl)-1H-indol-5-yl)methanesulfonamide
  • Sumatriptan succinate impurity b
  • Sumatriptan succinate impurity b (ep impurity)
  • Sumatriptan impurity, (3-(2-(methylamino)ethyl)-1H-indol-5-yl)-N-methylmethanesulfonamide-(usp impurity)
  • Sumatriptan impurity, (3-(2-(methylamino)ethyl)-1H-indol-5-yl)-N-methylmethanesulfonamide-(USP)
  • Sumatriptan impurity, (3-(2-(methylamino)ethyl)-1H-indol-5-yl)-N-methylmethanesulfonamide-
  • Sumatriptan succinate impurity, (3-(2-(methylamino)ethyl)-1H-indol-5-yl)-N-methylmethanesulfonamide-(usp impurity)
  • Sumatriptan succinate impurity, (3-(2-(methylamino)ethyl)-1H-indol-5-yl)-N-methylmethanesulfonamide-(USP)
  • Sumatriptan succinate impurity, (3-(2-(methylamino)ethyl)-1H-indol-5-yl)-N-methylmethanesulfonamide-
  • Sumatriptan EP Impurity B
  • N-Desmethyl Sumatriptan
  • N-methyl-1-[3-[2-(methylamino)ethyl]-1H-indol-5-yl]methanesulfonamide
  • N-methyl-1-(3-(2-(methylamino)ethyl)-1H-indol-5-yl)methanesulfonamide
  • N-Methyl-1-{3-[2-(methylamino)ethyl]-1H-indol-5-yl}methanesulfonamide
  • N-Methyl-3-[2-(methylamino)ethyl]-1H-indole-5-methanesulfonamide
  • N-Methyl[3-[2-(methylamino)ethyl]-1H-indol-5-yl] methane sulphon amide

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
281.38 g/molcalc.
Exact mass
281.1198 Dacalc.
LogP (octanol/water)
0.98calc.
Topological polar surface area
73.99 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
6calc.
Heavy atoms
19calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.39calc.
Formal charge
0calc.
Stereocentres
0calc.
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, c1ccc2[nH]ccc2c1

c1ccc2[nH]ccc2c1

2 rings, 9 atoms, the Indole ring system.

25,097 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.

Monodesmethyl sumatriptan suppliers

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

Frequently asked questions

Quick answers about Monodesmethyl sumatriptan, based on the data on this page

What is Monodesmethyl sumatriptan?

Monodesmethyl sumatriptan is a chemical substance with the molecular formula C13H19N3O2S and a molar mass of 281.38 g/mol. Its CAS registry number is 88919-51-1. The IUPAC name is N-methyl-1-[3-[2-(methylamino)ethyl]-1H-indol-5-yl]methanesulfonamide.

What is the CAS number of Monodesmethyl sumatriptan?

The CAS registry number of Monodesmethyl sumatriptan is 88919-51-1.

What is the molecular formula and weight of Monodesmethyl sumatriptan?

The molecular formula of Monodesmethyl sumatriptan is C13H19N3O2S and its molar mass is 281.38 g/mol.

Is Monodesmethyl sumatriptan hazardous?

No GHS hazard classification for Monodesmethyl sumatriptan 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 Monodesmethyl sumatriptan?

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

Where can I buy Monodesmethyl sumatriptan?

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What is the price of Monodesmethyl sumatriptan?

Suppliers quote Monodesmethyl sumatriptan 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 Monodesmethyl sumatriptan

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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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