methylene blue
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
40 FDA-registered drug labelers
Aktinos pharma Private Limited
Allegis Pharmaceuticals, LLC
American Regent, Inc.
Amneal Pharmaceuticals LLC
Azico Biophore India Private Limited
Beijing JUNGE Technology Co., Ltd.
BILLS BIOTECH PRIVATE LIMITED
BPI LABS LLC
Chengdu Shuode Pharmaceutical Co., Ltd
Cohance Lifesciences Limited
Cutyx Research LLP
DARMERICA, LLC
DORAL PHARMAMEDICS INC dba A.G. Marin Pharmaceuticals
EDWARDS PHARMACEUTICALS, INC.
Fast Sold LLC
Guna spa
Hikma Pharmaceuticals USA Inc.
KALCHEM INTERNATIONAL INC
KALINTIS HEALTHCARE PRIVATE LIMITED
LETCO MEDICAL, LLC
MACSEN DRUGS
Medisca Inc.
Meitheal Pharmaceuticals Inc.
Method Pharmaceuticals, LLC
Mission Pharmacal Company
Nexus Pharmaceuticals, LLC
NuCare Pharmaceuticals,Inc.
Nucleic Products, LLC
PharmaZell GmbH
PROFESSIONAL COMPOUNDING CENTERS OF AMERICA
SCH Global Services Private Limited
Shandong Keyuan Pharmaceutical Co.,Ltd.
SHOOLIN PHARMA CHEM LLP
Sichuan Qingmu Pharmaceutical Co., Ltd.
Steriscience Specialties Private Limited
Tianjin Weijie Pharmaceutical Co. Ltd.
Viatris Specialty LLC
XIROMED, LLC
Zydus Lifesciences Limited
Zydus Pharmaceuticals USA Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 13 drug and cosmetic product listings (FDA).
- •Methylene blue
- •Arthcal 1% Methylene BLUE
- •Provayblue
- •Uribel TABS
- •Celltem
- •GUNA-Kidney
- •Urimar-T CAPS
- •Urogesic BLUE
Show all 13
- •Uretron D/S
- •Ozipco 1% Methylene BLUE
- •Uro-MP
- •MB CAPS
- •Urelle
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Vendor Pricing
$0.07/gAaron Chemicals LLC
CountryHong Kong
Pack$327.00 / 5 kg
Purity98%
Vendors19 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
18 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.10 | 500 g | 98% |
| A2B Chem LLC | United States | $0.14 | 500 g | 98% |
| AA BLOCKS | United States | $0.16 | 500 g | — |
| BLD Pharmatech Co., Limited | United States | $0.19 | 1 kg | 95% |
| BLD Pharmatech GmbH | Germany | $0.19 | 1 kg | 95% |
| Ambeed, Inc. | United States | $0.19 | 1 kg | 95% |
| AK Scientific Specialized | United States | $0.20 | 1 kg | 95% |
| Fluorochem EU | Germany | $0.23 | 100 g | 70% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 97% |
| AK Scientific, Inc. | United States | $0.26 | 1 kg | 97% |
| Fluorochem UK | United Kingdom | $0.37 | 100 g | 95% |
| AstaTech, Inc | United States | $0.88 | 25 g | 95% |
| Angene International Limited | United States | $0.92 | 25 g | 98% |
| MedChemExpress MCE | Sweden | $2.43 | 100 g | 95% |
| MedKoo Biosciences, Inc | United States | $7.50 | 100 g | 98% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 95% |
Chemical Identity
CAS61-73-4
PubChem CID6099
DTXSIDDTXSID0023296
FormulaC16H18ClN3S
Mol. Weight319.9 g/mol
SMILESCN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
Data Sources
60992026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/methylene blue/cids/JSON
Archive: data/sources/pubchem_name/methylene blue.json
CAS 61-73-42026-04-24
https://www.epa.gov/tsca-inventory
Archive: data/sources/tsca/tsca_inventory.csv
bulk match2026-04-07
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json