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Heterocyclic building blocks

Mercaptonicotin-amide

Also known as 3-Pyridinecarboxamide,4-mercapto-, 4-Sulfanylidene-1,4-dihydropyridine-3-carboxamide

CAS 89640-64-2Formula C6H6N2OSMolar mass 154.19 g/mol
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Mercaptonicotin-amide chemical structure, C6H6N2OS, CAS 89640-64-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
89640-64-2
Formula
C6H6N2OS
Molar mass
154.19 g/mol
HS code
293339
Category
Heterocyclic building blocks

What is Mercaptonicotin-amide?

Plain description, key identifiers and synonyms

Mercaptonicotin-amide is a chemical substance with the molecular formula C6H6N2OS and a molar mass of 154.19 g/mol. Its CAS registry number is 89640-64-2. The IUPAC name is 4-sulfanylidene-1H-pyridine-3-carboxamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-sulfanylidene-1H-pyridine-3-carboxamide
CAS number
89640-64-2 CAS number cross-checked
Molecular formula
C6H6N2OS
InChIKey
XGIIQEOYYMLWIH-UHFFFAOYSA-N
InChI
InChI=1S/C6H6N2OS/c7-6(9)4-3-8-2-1-5(4)10/h1-3H,(H2,7,9)(H,8,10)
SMILES (canonical and isomeric)
C1=CNC=C(C1=S)C(=O)N

Synonyms

  • 3-Pyridinecarboxamide,4-mercapto-
  • 4-Sulfanylidene-1,4-dihydropyridine-3-carboxamide

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
154.19 g/molcalc.
Exact mass
154.0201 Dacalc.
LogP (octanol/water)
0.84calc.
Topological polar surface area
58.88 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
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, S=c1cc[nH]cc1

S=c1cc[nH]cc1

1 ring, 7 atoms, the 4-Mercaptopyridine ring system.

125 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.

Mercaptonicotin-amide suppliers

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Mercaptonicotin-amide 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 Mercaptonicotin-amide is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Mercaptonicotin-amide, based on the data on this page

What is Mercaptonicotin-amide?

Mercaptonicotin-amide is a chemical substance with the molecular formula C6H6N2OS and a molar mass of 154.19 g/mol. Its CAS registry number is 89640-64-2. The IUPAC name is 4-sulfanylidene-1H-pyridine-3-carboxamide.

What is the CAS number of Mercaptonicotin-amide?

The CAS registry number of Mercaptonicotin-amide is 89640-64-2.

What is the molecular formula and weight of Mercaptonicotin-amide?

The molecular formula of Mercaptonicotin-amide is C6H6N2OS and its molar mass is 154.19 g/mol.

What is Mercaptonicotin-amide used for?

Known uses and roles of Mercaptonicotin-amide include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Mercaptonicotin-amide hazardous?

No GHS hazard classification for Mercaptonicotin-amide 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 Mercaptonicotin-amide?

Mercaptonicotin-amide is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Mercaptonicotin-amide?

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What is the price of Mercaptonicotin-amide?

Suppliers quote Mercaptonicotin-amide 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 Mercaptonicotin-amide

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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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