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Screening compounds

Abts

Also known as 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid), 2,2'-Hydrazinediylidenebis(3-ethyl-2,3-dihydro-1,3-benzothiazole-6-sulfonic acid), 2,2 inverted exclamation marka-(1,2-Hydrazinediylidene)bis[3-ethyl-2,3-dihydro-6-benzothiazolesulfonic acid]

CAS 28752-68-3Formula C18H18N4O6S4Molar mass 514.63 g/molEC 250-396-6
GHS signal word: Warning. Pictograms: Harmful or irritant 2 suppliers listed
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Abts chemical structure, C18H18N4O6S4, CAS 28752-68-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
28752-68-3
Formula
C18H18N4O6S4
Molar mass
514.63 g/mol
EC number
250-396-6
HS code
293420
Category
Screening compounds

What is Abts?

Plain description, key identifiers and synonyms

Abts is a chemical substance with the molecular formula C18H18N4O6S4 and a molar mass of 514.63 g/mol. Its CAS registry number is 28752-68-3. The IUPAC name is 3-ethyl-2-[(3-ethyl-6-sulfo-1,3-benzothiazol-2-ylidene)hydrazinylidene]-1,3-benzothiazole-6-sulfonic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-ethyl-2-[(3-ethyl-6-sulfo-1,3-benzothiazol-2-ylidene)hydrazinylidene]-1,3-benzothiazole-6-sulfonic acid
CAS number
28752-68-3Other or deprecated CAS: 30931-67-0
EC number
250-396-6
Molecular formula
C18H18N4O6S4
InChIKey
ZTOJFFHGPLIVKC-UHFFFAOYSA-N
InChI
InChI=1S/C18H18N4O6S4/c1-3-21-13-7-5-11(31(23,24)25)9-15(13)29-17(21)19-20-18-22(4-2)14-8-6-12(32(26,27)28)10-16(14)30-18/h5-10H,3-4H2,1-2H3,(H,23,24,25)(H,26,27,28)
SMILES (canonical and isomeric)
CCN1C2=C(C=C(C=C2)S(=O)(=O)O)SC1=NN=C3N(C4=C(S3)C=C(C=C4)S(=O)(=O)O)CC

Synonyms

  • 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid)
  • 2,2'-Hydrazinediylidenebis(3-ethyl-2,3-dihydro-1,3-benzothiazole-6-sulfonic acid)
  • 2,2 inverted exclamation marka-(1,2-Hydrazinediylidene)bis[3-ethyl-2,3-dihydro-6-benzothiazolesulfonic 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
514.63 g/molcalc.
Exact mass
514.0109 Dacalc.
LogP (octanol/water)
2.67calc.
Topological polar surface area
143.3 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
8calc.
Rotatable bonds
5calc.
Heavy atoms
32calc.
Rings
4calc.
Aromatic rings
4calc.
Fraction sp3 carbons
0.22calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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, c1ccc2sc(=NN=c3[nH]c4ccccc4s3)[nH]c2c1

c1ccc2sc(=NN=c3[nH]c4ccccc4s3)[nH]c2c1

4 rings, 20 atoms.

17 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Abts suppliers

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

All 2 suppliers
  • Avantor Inc.
    United States, Radnor ManufacturerUnclaimed profile
    AbtsGrade, purity and minimum order on request
    Price on request
    View
  • MP Biomedicals
    United States, SolonUnclaimed profile
    AbtsGrade, purity and minimum order on request
    Price on request
    View

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Where suppliers are based

2 suppliers in 1 country

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Abts 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 Abts is traded under.

HS 2934.20Indicative HS code

Compounds containing in the structure a benzothiazole ring-system (whether or not…

World exports in 2024
$662M
+4.3% vs 2023, imports $630M
2019 to 2024
Top exporters
  1. China62.9%
  2. Belgium14.6%
  3. United States5.4%
Top importers
  1. India * partner reported18.5%
  2. United States18.1%
  3. Brazil6.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Abts?

Abts is a chemical substance with the molecular formula C18H18N4O6S4 and a molar mass of 514.63 g/mol. Its CAS registry number is 28752-68-3. The IUPAC name is 3-ethyl-2-[(3-ethyl-6-sulfo-1,3-benzothiazol-2-ylidene)hydrazinylidene]-1,3-benzothiazole-6-sulfonic acid.

What is the CAS number of Abts?

The CAS registry number of Abts is 28752-68-3. Other or deprecated CAS numbers: 30931-67-0.

What is the molecular formula and weight of Abts?

The molecular formula of Abts is C18H18N4O6S4 and its molar mass is 514.63 g/mol.

What is Abts used for?

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

Is Abts hazardous?

Abts carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Abts?

Abts is usually classified under HS code 293420 (Compounds containing in the structure a benzothiazole ring-system (whether or not…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Abts?

CompoundList lists 2 suppliers of Abts in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Abts?

Suppliers quote Abts on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

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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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