99% Purity Vitamin B12 CAS 68-19-9 Cyanocobalamin Water-Soluble Vitamin 10ml per Vial for Cell Culture Research

Vitamin B12 (Cyanocobalamin) is a water-soluble vitamin that functions as a cofactor in DNA synthesis, fatty acid metabolism, and amino acid metabolism . It is the largest and most structurally complicated vitamin, containing the biochemically rare element cobalt positioned in the center of a corrin ring . This product is supplied as a dark red crystalline powder with high purity, ensuring stability and bioactivity for research purposes only .

For laboratory research purposes only. Not for human or veterinary use. Not for diagnostic or therapeutic applications.

Vitamin B12, also known as cobalamin, is a member of the B vitamin family . The body undergoes a conversion process to transform it into biologically active forms, which serve as essential coenzymes for various research applications . This product is widely used in cell culture applications to support cellular growth, genetic stability, and survival of cells in vitro .

The product is intended for in vitro research applications, including cell culture supplementation, biochemical studies, and metabolic research. It is also utilized in the preparation of classical and serum-free cell culture formulations .

Key Research Applications: Cell culture supplementation, cofactor studies, vitamin metabolism research, one-carbon metabolism studies, in vitro biochemical assays.

Packaging Structure (From Outer to Inner)

Level Description

Outer Packaging Standard cardboard box

Middle Packaging Product box (branded/plain) containing a plastic box inside

Inner Packaging Plastic box holding 10 glass vials with foam or partition protection

Vial Clear glass vial, aluminum-plastic flip-off seal, labeled with product name, dosage, and batch number

Each Plastic Box Contains:
10 vials of Vitamin B12 (10ml per vial).

The vial is individually sealed with label.

Foam or plastic partition to prevent vials from bumping into each other

Shipping Methods & Delivery Time
Shipping Method Cost Delivery TimeSpecial Line/ Express $40 (under 5kg) ~14 days
UK Special Line Same as above ~25 days (slightly delayed)
UPS / FedEx $70 7-10 daysShipping Policies

Policy Details
Free Shipping On orders over $1000
Remote Area Fee Some remote areas may incur an extra $35 (as determined by FedEx/UPS)
Lead Time 3-5 business days after payment confirmation

Frequently Asked Questions (FAQ)
Q1: Can I get a sample before placing an order?

Yes, samples are available upon request. Samples are not provided for free. You will need to pay for both the sample cost and the shipping fee. The sample fee will be deducted from your bulk order payment once you proceed with a formal order.

Q2: What payment methods do you accept?

We accept wire transfer (T/T), PayPal, and bank transfer. You may choose the most convenient method for you.

Q3: How and when can I receive my order after payment?

Small quantity orders: Shipped via international express (DHL, FedEx, UPS, etc.). Delivery time: 7-10 days after shipment.

Large quantity orders: Shipped by sea. Delivery time: 15-30 days depending on the destination port.

Special line: ~14 days delivery time (under 5kg, $40).

Q4: Can I use my own label or packaging?

Yes, OEM service is available for bulk orders. We can customize labels, vial dosage, vial cap color, and packaging according to your requirements. Please contact us for details.

Q5: What is your MOQ (Minimum Order Quantity)?

Retail MOQ: 1 kit/dosage/item

Customized packaging (e.g., custom vial size, cap color): 20-50 kits/dosage/item

Q6: Do you provide a Certificate of Analysis (COA) with each order?

Yes, each batch comes with a COA (HPLC purity test report). Third-party testing is also available upon request.

Q7: How should I store the peptide?

Store at -20°C, protected from light, and keep sealed. Once reconstituted, refrigerate at 2-8°C and use within the recommended timeframe.

Q8: What documents will be included with my shipment?

Commercial invoice, packing list, COA, and MSDS will be included with each shipment.