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Heterocyclic building blocks

SN-13

Also known as SN 13, gamma-Thiochromanone-1-thiosemicarbazone, Hydrazinecarbothioamide, 2-(2,3-dihydro-4H-1-benzothiopyran-4-ylidene)-

CAS 19850-61-4Formula C10H11N3S2Molar mass 237.35 g/mol
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SN-13 chemical structure, C10H11N3S2, CAS 19850-61-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
19850-61-4
Formula
C10H11N3S2
Molar mass
237.35 g/mol
HS code
293499
Category
Heterocyclic building blocks

What is SN-13?

Plain description, key identifiers and synonyms

SN-13 is a chemical substance with the molecular formula C10H11N3S2 and a molar mass of 237.35 g/mol. Its CAS registry number is 19850-61-4. The IUPAC name is [(Z)-2,3-dihydrothiochromen-4-ylideneamino]thiourea.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(Z)-2,3-dihydrothiochromen-4-ylideneamino]thiourea
CAS number
19850-61-4
Molecular formula
C10H11N3S2
InChIKey
UMORXWFPKPBKHD-WQLSENKSSA-N
InChI
InChI=1S/C10H11N3S2/c11-10(14)13-12-8-5-6-15-9-4-2-1-3-7(8)9/h1-4H,5-6H2,(H3,11,13,14)/b12-8-
SMILES
C\1CSC2=CC=CC=C2/C1=N\NC(=S)N

Synonyms

  • SN 13
  • gamma-Thiochromanone-1-thiosemicarbazone
  • Hydrazinecarbothioamide, 2-(2,3-dihydro-4H-1-benzothiopyran-4-ylidene)-

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
237.35 g/molcalc.
Exact mass
237.0394 Dacalc.
LogP (octanol/water)
1.72calc.
Topological polar surface area
50.41 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
15calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.2calc.
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, N=C1CCSc2ccccc21

N=C1CCSc2ccccc21

2 rings, 11 atoms.

13 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.

SN-13 suppliers

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SN-13 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 SN-13 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 SN-13 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about SN-13, based on the data on this page

What is SN-13?

SN-13 is a chemical substance with the molecular formula C10H11N3S2 and a molar mass of 237.35 g/mol. Its CAS registry number is 19850-61-4. The IUPAC name is [(Z)-2,3-dihydrothiochromen-4-ylideneamino]thiourea.

What is the CAS number of SN-13?

The CAS registry number of SN-13 is 19850-61-4.

What is the molecular formula and weight of SN-13?

The molecular formula of SN-13 is C10H11N3S2 and its molar mass is 237.35 g/mol.

What is SN-13 used for?

Known uses and roles of SN-13 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is SN-13 hazardous?

No GHS hazard classification for SN-13 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 SN-13?

SN-13 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 SN-13?

Post a free request on CompoundList and suppliers of SN-13 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of SN-13?

Suppliers quote SN-13 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 SN-13

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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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