Import Proteinase K Cas No 39450-01-6 — Buy in wholesale FOB from Supplier in China
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Proteinase K CAS NO 39450-01-6
Proteinase K (CAS NO 39450‑01‑6) is a lyophilised powder derived from the fungus Tritirachium album and supplied by Shaanxi Dideu Medichem Co. Ltd. The enzyme has a molecular formula C₁₉H₂₇N₂O₁₂P, a molecular weight of 626.504 g mol⁻¹ and appears as a white powder. Each bottle is offered in 100 g, 500 g or 1 kg bulk packs, sealed for long‑term storage. The product is EINECS‑registered (254‑457‑8) and complies with international CAS verification standards.
Proteinase K belongs to the subtilisin class of serine proteases and shows a specific activity greater than 30 U mg⁻¹, with batch measurements typically ranging 33‑36 U mg⁻¹. It remains active in 1 M urea or 0.1 % SDS, allowing reliable protein digestion in harsh buffers. Standard storage recommends a dry state at - 20 °C for up to one year, while reconstituted solutions are stable at 2‑8 °C for short periods. Typical industry specifications list a purity of ≥95 % and absence of DNase or RNase activity, which the supplier confirms by batch COA.
The enzyme is widely used in genomic DNA extraction kits, RNA purification workflows, and proteomics sample preparation by research laboratories and biotech manufacturers. Buyers usually request bulk quantities for manufacturing diagnostic kits and must verify the supplied activity unit definition (1 U hydrolyses 1 µmol tyrosine per minute at 37 °C, pH 7.5). Trade terms such as minimum order quantity, lead time and Incoterms are not disclosed in the listing and should be clarified directly with the supplier before placing an order.
| CAS Number | 39450-01-6 |
| Molecular Formula | C29H27N2O12P |
| Molecular Weight (g/mol) | 626.504641 |
| Specific Activity (U/mg) | >30 (batch 33‑36 typical) |
| Purity (typical) | ≥95 % (standard for research grade) |
| Storage Temperature (dry) | - 20 °C (typical long‑term storage) |
| Reconstituted Stability (typical) | 2‑8 °C for short term, - 20 °C for long term |
| Packaging Options | 100 g, 500 g, 1 kg bottles |
| Assay Method (standard) | Casein hydrolysis at 37 °C, pH 7.5 |
| Residue of DNase/RNase (typical) | No detectable activity (standard test) |
Shaanxi Dideu Medichem Co. Ltd is located in Xi'an, Shaanxi Province, China (postal code 710200). The company is listed under the harbour trust tier, but its current response rate is 0 % and no average response time is recorded, indicating that enquiries may require follow‑up.
The supplier offers lyophilised Proteinase K powder that is EINECS‑registered and CAS‑verified for international trade. Packaging is provided in bulk bottles of 100 g, 500 g or 1 kg, and the product sheet states activity, purity and absence of nucleic‑acid degrading contaminants. No additional corporate history or client references are disclosed in the listing.
Proteinase K is a broad-spectrum serine protease sourced from the fungus Tritirachium album, widely used in molecular biology, diagnostics, and industrial protein extraction applications. This lyophilized powder formulation offers high enzymatic activity for DNA/RNA isolation protocols and proteomics sample preparation. Supplied in bulk packaging suitable for laboratory, pharmaceutical, and biotech manufacturing sectors. EINECS registered and CAS-verified for international trade compliance.
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Sourcing Proteinase K CAS NO 39450-01-6 from Shaanxi Dideu Medichem Co. Ltd - China Import Guide
Before placing an order, importers should request the latest Certificate of Analysis, confirm the enzyme’s specific activity, purity level and the absence of DNase/RNase as stated on the batch COA. Verifying the EINECS registration number (254‑457‑8) and CAS number ensures regulatory compliance for cross‑border shipments. Any deviation from the listed specifications should be documented in the purchase agreement.
Logistics for this enzyme typically involve sea freight to major Chinese ports, with the supplier able to arrange delivery on CIF or FOB terms upon request. Lead time is not published; buyers are advised to ask the supplier directly for an estimated production and shipping schedule. Payment methods such as T/T in advance or LC at sight are common in the industry, but the exact terms must be negotiated with Shaanxi Dideu Medichem Co. Ltd.
Quality assurance relies on third‑party testing of each batch; the supplier provides a COA and may accommodate an on‑site or third‑party inspection prior to shipment. Importers should also arrange temperature‑controlled storage upon arrival to maintain enzyme activity. Retaining documentation of certificates, test results and shipping conditions supports compliance with customs and downstream quality requirements.
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30 suppliersBuy Proteinase K Cas No 39450 in Bulk — Verified Supplier in China
When sourcing Proteinase K Cas No 39450-01-6 for your business, securing the right balance of quality and cost is essential. Shaanxi Dideu Medichem Co. Ltd, a verified supplier based in China, offers this product with key specifications including Molecular Biology Grade / Laboratory Reagent Grade, CAS 39450-01-6, EINECS 254-457-8, Molecular Formula C29H27N2O12P, MW 626.50 g/mol, and Lyophilized (Freeze-Dried) Powder. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $300/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 3507.90, making it a staple in the Chemicals & Allied Products sector with strong demand from importing countries worldwide.
Proteinase K Cas No 39450 Specifications, Trade Terms & Pricing
Importing Proteinase K Cas No 39450 requires careful attention to shipping logistics, customs compliance, and secure payment terms. Shaanxi Dideu Medichem Co. Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 3507.90 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.
About Shaanxi Dideu Medichem Co. Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Proteinase K Cas No 39450 has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Chemicals & Allied Products category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Proteinase K Cas No 39450 — Shipping, Logistics & Customs
Importing Proteinase K Cas No 39450 requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 3507.90 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Proteinase K Cas No 39450
What is the wholesale price of Proteinase K Cas No 39450-01-6?
The current listed wholesale price for Proteinase K Cas No 39450-01-6 from Shaanxi Dideu Medichem Co. Ltd is $300/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Shaanxi Dideu Medichem Co. Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Proteinase K Cas No 39450?
The supplier, Shaanxi Dideu Medichem Co. Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Proteinase K Cas No 39450. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Proteinase K Cas No 39450-01-6?
For international shipping and customs clearance, Proteinase K Cas No 39450-01-6 is classified under HS Code 3507.90. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Proteinase K Cas No 39450 from China?
To import Proteinase K Cas No 39450 from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Shaanxi Dideu Medichem Co. Ltd. Ensure you have the necessary import licenses for Chemicals & Allied Products products in your destination country.
Is Shaanxi Dideu Medichem Co. Ltd a verified supplier?
Yes, Shaanxi Dideu Medichem Co. Ltd is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Proteinase K Cas No 39450-01-6?
The key specifications for Proteinase K Cas No 39450-01-6 supplied by Shaanxi Dideu Medichem Co. Ltd include Molecular Biology Grade / Laboratory Reagent Grade, CAS 39450-01-6, EINECS 254-457-8, Molecular Formula C29H27N2O12P, MW 626.50 g/mol, and Lyophilized (Freeze-Dried) Powder. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Proteinase K Cas No 39450?
Shaanxi Dideu Medichem Co. Ltd offers Proteinase K Cas No 39450 with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Proteinase K Cas No 39450 the most?
Proteinase K Cas No 39450 is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Shaanxi Dideu Medichem Co. Ltd through our platform.
What certifications does this Proteinase K Cas No 39450 supplier hold?
Shaanxi Dideu Medichem Co. Ltd maintains international quality certifications. These ensure that the Proteinase K Cas No 39450 meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Proteinase K Cas No 39450-01-6 on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Shaanxi Dideu Medichem Co. Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Shaanxi Dideu Medichem Co. Ltd.
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