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Allylthiourea

Drug ingredient

CAS 109-57-9

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 109-57-9
US productionNot reported
Import value, 2024$760M
Top sourceChina 33%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293090 · basket

These shares come from HS customs code 293090, which covers 418 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India
16 FDA-registered drug labelers
Apex Energetics Inc.
Bestmade Natural Products
Boiron
Bottled Science, Inc.
Deseret Biologicals
Energique, Inc.
Hahnemann Laboratories, INC.
Homeocare Laboratories
King Bio Inc.
Natural Creations, Inc
NET Remedies
Newton Laboratories, Inc.
OHM PHARMA INC.
Professional Complementary Health Formulas
TRP Company
Washington Homeopathic Products

Why It Matters

Sectors
Health
Downstream Uses

Appears in 24 drug and cosmetic product listings (FDA).

  • •Thiosinaminum
  • •Progenite
  • •Allergies
  • •Anti-Scar Drops 2084
  • •Ring Relief
  • •Skinade MD INsupport
  • •Ring HP
  • •Cataracc
Show all 24
  • •Tinnitus
  • •Scars-Adhesions
  • •Ear Ringing
  • •MD Post Care
  • •Bestmade Natural Products BM71
  • •Scarstat
  • •A09 Female Balance
  • •OHM Skin Healing Gel
  • •Scar
  • •A05 Heavy Antitox
  • •Food Additives
  • •Thiosinominum
  • •Tinnitus Relief
  • •C02 Fibrozolve
  • •OHM Skin Healing Cream
  • •Ring Relief PM Nighttime Formula
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.18/gManchester Organics
CountryUnited Kingdom
Pack$183.31 / 1 kg
Purity98%
Vendors28 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

27 more vendors
VendorCountry$/gPackPurity
Aaron Chemicals LLCHong Kong$0.19500 g98%
Angene ChemicalChina → Hong Kong$0.20500 g98%
A2B Chem LLCUnited States$0.21500 g98%
Combi-Blocks, Inc.United States$0.251 kg97%
ChemsceneUnited States$0.25500 g—
AA BLOCKSUnited States$0.27500 g98%
Ambeed, Inc.United States$0.28500 g98%
MedChemExpress MCESweden$0.43500 g99.95%
AK Scientific SpecializedUnited States$0.61100 g95%
Fluorochem EUGermany$0.6325 g97%
AK Scientific, Inc.United States$0.86100 g98%
Sigma-Aldrich (Rush Stock)Germany$0.94250 g98%
Sigma-AldrichGermany$0.94250 g98%
ALFA AESARGermany$1.06100 g98%
Cayman EuropeEstonia$1.38100 g95%
Angene International LimitedUnited States$2.3010 g98%
AstaTech (2 weeks)United States$7.205 g97%
MedKoo Biosciences, IncUnited States$10.0025 g98%
InterbioscreenHong Kong$10.0010 g95%
Apexbio Technology LLCUnited States$11.005 g99.98%
MolnovaChina$74.00500 mg99%
Labotest KGGermany$217.805000 mg90%
AngeneChina → Hong Kong$4266.6730 mg98%
Princeton BioMolecular Research (SC)United States$5000.0030 mg90%
Vitas M Chemical LimitedHong Kong$5133.3330 mg90%
ChemDiv, Inc.United States$6700.0040 mg90%
Key Organics Ltd.United Kingdom$6900.0010 mg97%

Chemical Identity

CAS109-57-9
PubChem CID1549517
DTXSIDDTXSID3024449
FormulaC4H8N2S
Mol. Weight116.19 g/mol
SMILESC=CCNC(=S)N

Data Sources

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Brief citations

Allylthiourea (CAS 109-57-9) https://chemicalindependence.com/chemical/109-57-9/ PubChem: 1549517. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/1549517 EPA TSCA Inventory: CAS 109-57-9. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293090 for CAS 109-57-9. Reporting year: 2024. https://usatrade.census.gov/