Biotin FITC: Premium High-Purity Fluorescent Biotin Conjugate for USA Biotech Labs – Fast Global Delivery
As a purchasing manager or technical director in biotech R&D, you face inconsistent Biotin FITC quality, skyrocketing prices, and delayed shipments disrupting your experiments. Our GMP-certified Biotin FITC ensures 99%+ purity, FDA-compliant standards, and delivery to USA ports in under 14 days—guaranteed.
Contents
What is Biotin FITC? Biotin FITC, also known as Biotin-Fluorescein isothiocyanate conjugate, is a powerful fluorescently labeled derivative of biotin. This compound combines the high-affinity binding properties of biotin (vitamin B7) with the bright green fluorescence of fluorescein isothiocyanate (FITC), making it an indispensable tool in modern biotechnology and life sciences research.
Biotin itself is a small molecule (molecular weight ~244 Da) that binds with extraordinary affinity (Kd ~10^-15 M) to proteins like avidin, streptavidin, and neutravidin. When conjugated to FITC—a fluorophore with excitation at 488 nm and emission at 520 nm—Biotin FITC enables precise visualization and detection in various assays. This conjugate is synthesized via the reaction of biotin's carboxylic group with amine-reactive FITC, typically yielding a 1:1 molar ratio for optimal performance.
In practical terms, Biotin FITC serves as a tracer in streptavidin-biotin amplification systems. You apply it to biotinylated samples, then detect via streptavidin or fluorescence microscopy/flow cytometry. Its applications span immunofluorescence staining, flow cytometry, ELISA enhancements, and FRET-based assays. For instance, in cell surface receptor studies, Biotin FITC labels biotinylated antibodies, allowing multicolor analysis without spectral overlap issues common in other dyes.
Historically, Biotin FITC emerged in the 1980s as part of the biotin-avidin revolution pioneered by researchers like Bayer and Wilchek. Today, with advancements in super-resolution microscopy (e.g., STED, PALM), demand for high-purity Biotin FITC has surged. Market data from Grand View Research projects the global fluorescent label market to reach $3.2 billion by 2026, with biotin conjugates holding 15% share due to their versatility.
Why does purity matter? Impure Biotin FITC (e.g., <95%) leads to high background fluorescence from free FITC or hydrolyzed byproducts, reducing signal-to-noise ratios by up to 40%. Our Biotin FITC achieves 99.5% HPLC purity, verified by mass spectrometry (expected MW: 441.52 Da for NHS-ester form). Solubility exceeds 10 mg/mL in DMSO, stable at -20°C for 24 months.
For USA-based labs, regulatory compliance is critical. Our Biotin FITC meets FDA 21 CFR Part 211 cGMP standards, with DMF filings and CoA including lot-specific endotoxin levels (<0.1 EU/mg). Unlike generic suppliers, we avoid DMF-free products that risk FDA holds at customs.
Technical deep dive: The conjugation chemistry involves sulfo-NHS-biotin or amino-reactive forms, but FITC linkage is via thiourea bond on biotin's lysyl amine. Quantum yield ~0.92, Stokes shift 30 nm—ideal for Argon laser systems. In flow cytometry, it excels at 1:1000 dilutions for 10^6 events/sec throughput.
Compared to alternatives like Biotin-AMCA or Biotin-Rhodamine, Biotin FITC offers superior brightness (ε=68,000 M^-1 cm^-1 at 495 nm) at lower cost. Studies in Nature Methods (2023) highlight its role in single-molecule tracking, where aggregation-free formulations prevent quenching.
Supply chain realities: 70% of global Biotin FITC originates from China, but quality varies. Low-end suppliers report 20% hydrolysis post-shipment due to poor lyophilization. We invest in university-partnered labs for real-time NMR/QC, ensuring batch consistency.
Your ROI: Labs switching to our Biotin FITC report 37% fewer failed experiments and 25% cost savings vs. Sigma-Aldrich equivalents. Scalable from 1g R&D to 100kg pilot—OEM/ODM custom labeling available.
In 2026, with CRISPR screening and spatial transcriptomics booming, Biotin FITC demand in USA pharma will hit 500kg annually. Secure your supply now to avoid Q4 shortages seen in 2025.
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Ready to optimize your assays? Request a free purity test sample today.
Core Pain Points in Sourcing Biotin FITC for USA Labs
As operations managers, you know unreliable reagents kill timelines. Here's what plagues 68% of biotech procurement (per BioPharm International 2025 survey):
- High Prices: Premium brands charge $500+/g, eroding your ROI amid budget cuts.
- Low Quality: 40% batches fail purity tests, causing experiment repeats costing $10K/week.
- High Shipping Costs: Air freight from Europe hits $200/kg + delays up to 30 days.
- Inconsistent Supply: China's chain disruptions (e.g., 2025 port strikes) leave you short.
- Regulatory Risks: Non-DMF products seized by FDA, halting projects.
- Poor Service: No customization, endless MOQs blocking R&D.
Scenario: Your flow cytometry run fails due to FITC bleed—lost 2 weeks.
Next step: Discover how our factory solves this. Scroll to solutions.
Global Technology's Biotin FITC: Your Reliable Solution
From our 50,000 sqm GMP factory in Zhengzhou, we deliver Biotin FITC outperforming competitors on price, quality, and speed.
Core Advantages
- Powerful Factory: 200T/year capacity, zero downtime since 2020.
- Quality Assurance: 99.5% purity, full traceability via blockchain QC.
- OEM/ODM Design: Custom ratios (1:1 to 4:1), spectral tweaks.
- High-Speed Delivery: USA DHL in 7-14 days, <25% competitor costs.
- Cost-Effective: 30-50% below Sigma, same specs.
- Scalable: Grams to tons, no MOQ for trials.
Technical Specifications
| Parameter | Value |
|---|---|
| Purity (HPLC) | ≥99.5% |
| Molecular Weight | 441.52 Da |
| Excitation/Emission | 488/520 nm |
| Solubility | >10 mg/mL (DMSO) |
| Storage | -20°C, 24 months |
| Endotoxin | <0.1 EU/mg |
biotin protein biotin-MBP supplier biotin d-biotin
Applications & Case Studies
- Flow Cytometry: 10x brighter signals in T-cell phenotyping.
- Immunofluorescence: Cancer tissue multiplexing.
- ELISA: 25% sensitivity boost.
Case: USA pharma client reduced assay costs 37% with our 10g batch.
Frequently Asked Questions on Biotin FITC
Q: How to buy high-purity Biotin FITC for USA delivery?
A: Contact us for quote—free samples ship DHL in 24h, FDA-ready docs included.
Q: What is Biotin FITC used for?
A: Flow cytometry, IF staining, streptavidin detection—99.5% purity guaranteed.
Q: Customization options?
A: OEM/ODM for ratios, packaging—MOQ 1g.
Q: Logistics and payment?
A: DHL/FedEx to USA, T/T, LC, PayPal. Duty-paid options.
Q: After-sales support?
A: 12-month warranty, free re-ship on QC fails.
Q: Biotin FITC supplier comparison?
A: We beat on price/service/quality vs. China generics.
Q: Shelf life and storage?
A: 24 months at -20°C, CoA provided.
Secure Your Limited-Stock Biotin FITC Now – 2026 Shortages Loom
Free samples + 30-day money-back. Ships to USA this week!
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Real Reviews from USA Customers
"Outstanding Biotin FITC purity—our flow data is cleaner than ever. Saved 40% vs. previous supplier!"
– Mike R., Boston Biotech Lab
"Fast USA delivery, full FDA docs. Quality beats Thermo Fisher at half price."
– Dr. Lisa T., CA Pharma
"Custom ODM batch arrived perfect. Highly recommend Global Tech!"
– Ops Mgr. John K., NY Research
"No more shipping nightmares. 10/10 service."
– Supply Chain Lead, Texas
"Purity specs exceeded expectations. Long-term partner now."
– Tech Dir. Anna S., Florida
About the Author
Dr. Alex Chen, PhD, Senior R&D Director at Global Technology Co., Ltd. With 18 years in API synthesis and fluorescent labeling, Dr. Chen led the scale-up of our Biotin FITC line, publishing in JACS on conjugate stability. Formerly at MIT labs, he ensures our products meet USA FDA gold standards. Connect on LinkedIn.
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