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Morpholine, 4-mercapto-

Also known as Morpholine-4-thiol, N-mercaptomorpholine

CAS 51973-17-2Formula C4H9NOSMolar mass 119.19 g/mol
Morpholine, 4-mercapto- chemical structure, C4H9NOS, CAS 51973-17-2
2D chemical structure

Key facts

What buyers check first

CAS number
51973-17-2
Formula
C4H9NOS
Molar mass
119.19 g/mol
HS code
293499
Category
Heterocyclic building blocks

What is Morpholine, 4-mercapto-?

Plain description, key identifiers and synonyms

Morpholine, 4-mercapto- is a chemical substance with the molecular formula C4H9NOS and a molar mass of 119.19 g/mol. Its CAS registry number is 51973-17-2. The IUPAC name is 4-sulfanylmorpholine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-sulfanylmorpholine
CAS number
51973-17-2 CAS number cross-checked
Molecular formula
C4H9NOS
InChIKey
PAZJFXNRVLDLFO-UHFFFAOYSA-N
InChI
InChI=1S/C4H9NOS/c7-5-1-3-6-4-2-5/h7H,1-4H2
SMILES (canonical and isomeric)
C1COCCN1S

Synonyms

  • Morpholine-4-thiol
  • N-mercaptomorpholine

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
119.19 g/molcalc.
Exact mass
119.0405 Dacalc.
LogP (octanol/water)
0.16calc.
Topological polar surface area
12.47 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
7calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
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, C1COCCN1

C1COCCN1

1 ring, 6 atoms, the Morpholine ring system.

5,994 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.

Morpholine, 4-mercapto- suppliers

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Morpholine, 4-mercapto- price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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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 Morpholine, 4-mercapto- is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Morpholine, 4-mercapto- is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Morpholine, 4-mercapto-, based on the data on this page

What is Morpholine, 4-mercapto-?

Morpholine, 4-mercapto- is a chemical substance with the molecular formula C4H9NOS and a molar mass of 119.19 g/mol. Its CAS registry number is 51973-17-2. The IUPAC name is 4-sulfanylmorpholine.

What is the CAS number of Morpholine, 4-mercapto-?

The CAS registry number of Morpholine, 4-mercapto- is 51973-17-2.

What is the molecular formula and weight of Morpholine, 4-mercapto-?

The molecular formula of Morpholine, 4-mercapto- is C4H9NOS and its molar mass is 119.19 g/mol.

What is Morpholine, 4-mercapto- used for?

Known uses and roles of Morpholine, 4-mercapto- include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Morpholine, 4-mercapto- hazardous?

No GHS hazard classification for Morpholine, 4-mercapto- 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 Morpholine, 4-mercapto-?

Morpholine, 4-mercapto- is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Morpholine, 4-mercapto-?

Post a free request on CompoundList and suppliers of Morpholine, 4-mercapto- will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Morpholine, 4-mercapto-?

Suppliers quote Morpholine, 4-mercapto- 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 Morpholine, 4-mercapto-

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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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