DL-Methionine

Drug ingredient

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

Molecular structure of 59-51-8
Import Value$14M
Top SourceChina 72%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 293040 · narrow

These shares come from HS customs code 293040, which covers 1 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 72%ChinaJP 18%JapanMY 9%Malaysia

Why It Matters

Sectors
Health
Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

  • E.O.L.
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.01/gAaron Chemicals LLC
CountryHong Kong
Pack$7.00 / 500 g
Purity95%
Vendors31 available

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

30 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina Hong Kong$0.02500 g99%
A2B Chem LLCUnited States$0.031 kg95%
AA BLOCKSUnited States$0.031 kg98%
BLD Pharmatech Co., LimitedUnited States$0.031 kg98%
Ambeed, Inc.United States$0.031 kg98%
BLD Pharmatech GmbHGermany$0.041 kg98%
BLD Pharmatech Ltd.China$0.041 kg98%
ChemsceneUnited States$0.051 kg
Acrotein ChemBio, Inc.United States$0.06500 g
SynthonixUnited States$0.06500 g95%
Sigma-Aldrich (Rush Stock)Germany$0.0610 kg99%
Sigma-AldrichGermany$0.0610 kg99%
Fluorochem EUGermany$0.11100 g95%
AK Scientific SpecializedUnited States$0.14500 g95%
AK Scientific, Inc.United States$0.18500 g99%
Combi-Blocks, Inc.United States$0.251 kg98%
Angene International LimitedUnited States$0.35500 g99%
MedKoo Biosciences, IncUnited States$0.561 kg98%
MedChemExpress MCESweden$0.87100 g98%
AstaTech (2 weeks)United States$6.005 g98%
InterbioscreenHong Kong$24.0010 g95%
MolnovaChina$74.00500 mg99%
Labotest KGGermany$217.805000 mg90%
Vitas M Chemical LimitedHong Kong$390.00500 mg90%
Otava, Ltd.Ukraine$460.00250 mg95%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
AngeneChina Hong Kong$4266.6730 mg99%
AsinexNetherlands$6461.40100 mg90%
Key Organics Ltd.United Kingdom$6900.0010 mg98%
TimTec, LLC (back-ordered)United States$32000.0015 mg94%

Chemical Identity

CAS59-51-8
PubChem CID876
DTXSIDDTXSID9020821
FormulaC5H11NO2S
Mol. Weight149.21 g/mol
SMILESCSCCC(C(=O)O)N

Data Sources

DTXSID90208212026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

8762026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/876/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/876.json

59-51-82026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

bulk match2026-04-07

https://open.fda.gov/data/ndc/

Archive: data/sources/fda/ndc/ndc.json