Welcome to Tangshan Moneide Trading Co., Ltd.
Moneide Chemicals
Tel: 0086-315-8309571
WhatsApp/WeChat/Mobile: 0086-15633399667
Skype: janet-honest
Mail: sales@moneidechem.com
Address: 2-7-523 Jidong Building Materials Commercial Center, Tangshan, Hebei 064000 China
Thioflavine T for Amyloid—High Purity, Fast Shipping?
- Time of issue:Oct . 10, 2025 14:15
(Summary description)Tangshan Moneide Trading Co., Ltd. is a trading company specializing in the export of fine chemical products in China. Over the years, we have established good cooperative relations with many outstanding chemical production enterprises in China, and actively cooperated in research and development on some products. Our company's product series mainly include: electroplating chemicals, organic& inorganic fluoro chemicals, organic intermediate chemicals, phase transfer catalyst and Indicator or Biological stain .
- Categories:Company dynamic
- Author:
- Origin:
- Time of issue:2019-12-30 10:55
- Views:
I’ve covered fluorescent probes for more than a decade, and some tools simply refuse to go out of style. thioflavine t is one of them—old-school in origin, but still the go-to for fast, sensitive amyloid detection. In fact, it’s the stain most labs pull off the shelf when they need a quick read on β-sheet formation without overthinking the optics. Synonyms: Basic Yellow 1; Setoflavine T; 2-[4-(Dimethylamino)phenyl]-3,6-dimethylbenzothiazolium chloride. CAS: 2390-54-7. Origin: 2-7-523 Jidong Building Materials, Tangshan, Hebei 064000, China. It’s a benzothiazolium chloride salt that practically glows when bound to amyloid fibrils—weakly fluorescent in solution, strongly fluorescent upon binding. Many customers say the consistency of fluorescence enhancement is the anchor that keeps thioflavine t on their bench. - Rapid amyloid fibril screening for Aβ, α-synuclein, tau.
- Real-time aggregation kinetics with plate readers (ex. 450/485 nm).
- Histology staining of amyloid deposits (yes, with careful background control).
- QC in biopharma to flag misfolded aggregates. Surprisingly, several CDMOs told me they still run thioflavine t side-by-side with orthogonal methods for sanity checks. Materials: high-purity aniline derivatives and benzothiazole precursors; controlled quaternization to form the thiazolium chloride. Methods: colorimetric screening; HPLC and NMR identity; LC-MS for residuals; KF moisture check. Testing standards: supplier SOPs aligned to ISO 9001:2015; fluorescence response benchmarked against Aβ1–42 fibril standards (LeVine/Khurana style protocols). Service life: lots validated to 24 months; routine re-test at 12 months for high-use SKUs. Industries: academia, neuroscience labs, biopharma formulation, pathology cores. Customization matters: pre-weighed aliquots (1 mg, 5 mg), low-metal specs, or solution formats (1 mM in DMSO) that save time. I guess we all learned the hard way that light exposure and repeated thaw cycles chew up signal. - Biopharma QC lab cut false negatives by switching to freshly prepared thioflavine t (1 mM DMSO stock, 10 μM final) and standardized plate optics (ex 450/em 485, gain fixed).
- A university core facility reported 5.3× fluorescence enhancement vs blank for Aβ fibrils at 25°C, matching literature expectations.
- One pathology group paired thioflavine t with Congo Red to cross-validate deposits; reviewers loved the orthogonality. GHS: irritant; wear gloves/eye protection. Waste per local regs. Lots ship with COA (HPLC purity, water by KF, identity by NMR). For method validation, I’ve seen teams cite ISO 17025 lab reports and follow CLSI/NIST fluorescence calibration practices, which—honestly—pays off when reviewers ask for raw traces. Authoritative referencesWhy researchers still swear by thioflavine t
What it is (and what it isn’t)
Technical specs (real-world use may vary)
Assay (HPLC)
≥ 98%
Molecular formula (salt)
C17H19ClN2S
Molecular weight
≈ 318.8 g/mol
λex / λem (bound)
≈ 440–450 nm / ≈ 482–490 nm
Storage
2–8°C, desiccated, protect from light
Shelf life
24 months sealed; solutions stable days–weeks at 4°C (check fluorescence)
Applications that keep it relevant
Process and quality flow (how the better suppliers do it)
Vendor landscape (and where customization wins)
Vendor
Typical Purity
Lead Time
Customization
Certifications
Notes
Moneide Chem
≥98% (HPLC)
3–7 days
Aliquots, solution, low-endotoxin
ISO 9001:2015
Competitive pricing; China origin
Brand A
≥95%
1–2 weeks
Limited
ISO 9001
Strong documentation
Brand B
≥98%
In stock
Custom pack sizes
ISO 13485 (select lines)
Pricier
Case notes from the field
Safety, compliance, and testing
Moneide Chemicals
