S-(5-(Dimethylamino)-2-((4-(dimethyliminio)cyclohexa-2,5-dien-1-ylidene)amino)phenyl)sulfothioate
- CAS
- 1698876-57-1
- Formula
- C16H19N3O3S2
- MW
- 365.5 g/mol
ZX-030553
API Impurities
Leucomethylene blue
Reference StandardAvailable on request
Buy Leucomethylene blue (CAS 613-11-6) from Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.
CAS number613-11-6
FormulaC16H19N3S
Molar mass285.4 g/mol
Physical formSolid
HS code38229090
InChIKeyQTWZICCBKBYHDM-UHFFFAOYSA-N
IUPAC name3-N,3-N,7-N,7-N-tetramethyl-10H-phenothiazine-3,7-diamine
About Leucomethylene blue
Leucomethylene blue belongs to the Methylene Blue reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 613-11-6, formula C16H19N3S and molar mass 285.4 g/mol. It is handled as a solid.
Common uses in the lab and plant
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Reference standards for Methylene Blue
See every impurity, metabolite and related compound we list for this API.
Methylene Blue standardsTypical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | Leucomethylene blue |
|---|---|
| Catalogue number | ZX-030554 |
| CAS number | 613-11-6 |
| IUPAC name | 3-N,3-N,7-N,7-N-tetramethyl-10H-phenothiazine-3,7-diamine |
| Molecular formula | C16H19N3S |
| Molar mass | 285.4 g/mol |
| Exact mass | 285.13 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 3.9 |
| H-bond donors / acceptors | 1 / 4 |
| Topological polar surface area | 43.8 Ų |
| HS code | 38229090 |
| InChIKey | QTWZICCBKBYHDM-UHFFFAOYSA-N |
| SMILES | CN(C)C1=CC2=C(C=C1)NC3=C(S2)C=C(C=C3)N(C)C |
| PubChem CID | 164695 |
| Synonyms | Hydromethylthionine, Leukomethylene blue, Reduced methylene blue, Methylene blue, leuco, leuco-methylthioninium, N,N,N',N'-Tetramethyl-10H-phenothiazine-3,7-diamine, LMTX compound, Methylene blue leuco, Panatone, N3,N3,N7,N7-tetramethyl-10H-phenothiazine-3,7-diamine, Methylene blue leuco form, 3-N,3-N,7-N,7-N-tetramethyl-10H-phenothiazine-3,7-diamine2HBr |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Leucomethylene blue
Which CAS number identifies Leucomethylene blue?
Leucomethylene blue is registered under CAS 613-11-6. You may also see it listed as Hydromethylthionine, Leukomethylene blue, Reduced methylene blue. Our catalogue number for this item is ZX-030554.
What are the formula and molar mass of Leucomethylene blue?
For Leucomethylene blue, its formula is C16H19N3S and its molar mass is 285.4 g/mol. The systematic (IUPAC) name is 3-N,3-N,7-N,7-N-tetramethyl-10H-phenothiazine-3,7-diamine. InChIKey QTWZICCBKBYHDM-UHFFFAOYSA-N lets you match it in any structure database.
How is Leucomethylene blue used in pharmaceutical QC?
Leucomethylene blue is a characterised reference material linked to Methylene Blue. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Leucomethylene blue?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Leucomethylene blue?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Leucomethylene blue to my country?
Yes. Leucomethylene blue ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.
More Methylene Blue standards
More in API Impurities
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.