CompoundList

Dopamine impurity

CAS 83442-18-6Formula C8H11NO5SMolar mass 233.25 g/mol
Dopamine impurity chemical structure, C8H11NO5S, CAS 83442-18-6
2D chemical structure

Key facts

What buyers check first

CAS number
83442-18-6
Formula
C8H11NO5S
Molar mass
233.25 g/mol
HS code
292229
Category
Aromatic building blocks

What is Dopamine impurity?

Plain description, key identifiers and synonyms

Dopamine impurity is a chemical substance with the molecular formula C8H11NO5S and a molar mass of 233.25 g/mol. Its CAS registry number is 83442-18-6. The IUPAC name is 2-(2-aminoethyl)-4,5-dihydroxybenzenesulfonic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(2-aminoethyl)-4,5-dihydroxybenzenesulfonic acid
CAS number
83442-18-6
Molecular formula
C8H11NO5S
InChIKey
UECJQOVJXANUGL-UHFFFAOYSA-N
InChI
InChI=1S/C8H11NO5S/c9-2-1-5-3-6(10)7(11)4-8(5)15(12,13)14/h3-4,10-11H,1-2,9H2,(H,12,13,14)
SMILES (canonical and isomeric)
C1=C(C(=CC(=C1O)O)S(=O)(=O)O)CCN

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
233.25 g/molcalc.
Exact mass
233.0358 Dacalc.
LogP (octanol/water)
-0.15calc.
Topological polar surface area
120.9 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
3calc.
Heavy atoms
15calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.25calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 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.

Dopamine impurity suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

Post one free request and suppliers who make or trade Dopamine impurity can send you quotes. Your contact details stay private until you accept a quote.

Dopamine impurity 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.

Get latest price

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 Dopamine impurity is traded under.

HS 2922.29Indicative HS code

Amino-naphthols and other amino-phenols, other than those containing more than one kind…

World exports in 2024
$467M
−15.3% vs 2023, imports $454M
2019 to 2024
Top exporters
  1. China63.1%
  2. India * partner reported15.5%
  3. Japan4.0%
Top importers
  1. India * partner reported25.8%
  2. United States14.4%
  3. South Korea7.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Dopamine impurity, based on the data on this page

What is Dopamine impurity?

Dopamine impurity is a chemical substance with the molecular formula C8H11NO5S and a molar mass of 233.25 g/mol. Its CAS registry number is 83442-18-6. The IUPAC name is 2-(2-aminoethyl)-4,5-dihydroxybenzenesulfonic acid.

What is the CAS number of Dopamine impurity?

The CAS registry number of Dopamine impurity is 83442-18-6.

What is the molecular formula and weight of Dopamine impurity?

The molecular formula of Dopamine impurity is C8H11NO5S and its molar mass is 233.25 g/mol.

What is Dopamine impurity used for?

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

Is Dopamine impurity hazardous?

No GHS hazard classification for Dopamine impurity 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 Dopamine impurity?

Dopamine impurity is usually classified under HS code 292229 (Amino-naphthols and other amino-phenols, other than those containing more than one kind…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dopamine impurity?

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

What is the price of Dopamine impurity?

Suppliers quote Dopamine impurity 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 Dopamine impurity

Get quotes for Dopamine impurity

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Dopamine impurity with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/dopamine-impurity-83442-18-6" title="Dopamine impurity structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Aromatic building blocks or HS code 292229

Price on request
Free quotes, contact stays private
Get quotes