Biotech Compounds
SKU: 3MLVIALCAP≥ 99% HPLC
3ml Vial caps pack of 10
Research Compound · Research use only

3ml Vial caps pack of 10Snap-off vial caps for 3ml vials, designed for secure sealing and easy access. Convenient 10-pack for lab and preparation use.

4.1 on Trustpilot · 46 reviews
$10.99/ vial · 3mL
In stock
Ships 10/14/2026 · Est. Arrival: 10/19/2026
Select Size
Volume Discounts
1
AntimicrobialAccessoryVial capsSnap off
99%+ PurityHPLC · third-party
COA Includedevery lot
USA BasedMidwest Region
For Research Use Only. This product is intended for laboratory and scientific research purposes only. It is not a drug or dietary supplement and is not for human or veterinary consumption. Not intended to diagnose, treat, cure, or prevent any disease.
$10.993ml Vial caps pack of 10 · 3mL × 1

Product Details

These snap-off vial caps are made to fit standard 3ml vials, ensuring a secure closure while allowing for easy access when needed. Designed for durability and consistency, they are ideal for safely sealing vials during preparation, storage, and handling. Supplied in a convenient 10-pack, these caps are a reliable accessory for lab and preparation workflow.


Colors will vary based on availability


Disclaimer: This product is provided strictly for laboratory and research purposes only. It is not intended for human consumptions.

Frequently Asked Questions About 3ml Vial caps pack of 10

Answers summarize published research and are provided for laboratory research purposes only.

The 3ml Vial caps pack of 10 is a set of snap-off closures sized for standard 3ml laboratory vials. Researchers use these caps to seal vials during preparation, storage, and handling so the contents stay covered and the vial can be opened again when needed. The pack is a simple bench accessory for anyone who fills, labels, or stores small vials in a research setting.
The caps in the 3ml Vial caps pack of 10 are made to fit standard 3ml vials with a matching neck size. They are not sized for the larger 10ml or 30ml vials used for products like Bacteriostatic Water. Before ordering, researchers should confirm that their vials use a standard 3ml neck so the snap-off cap seats correctly and gives a secure closure.
Each 3ml Vial caps pack of 10 contains ten snap-off caps. That is enough to seal ten separate 3ml vials or to keep spares on hand for vials that are opened and re-sealed during a research workflow. Labs that prepare vials in larger batches can order multiple packs to keep a consistent supply of closures at the bench.
A snap-off cap from the 3ml Vial caps pack of 10 presses down over the vial neck to form a firm seal. When access is needed, the top section is snapped away by hand, which exposes the vial opening without tools. This design gives a secure closure during storage and a quick, clean way to open the vial when the researcher is ready to work with it.
Cap color in the 3ml Vial caps pack of 10 varies based on availability, so a given order may arrive in any color that is in stock. Color does not change the fit or function of the cap. Labs that rely on color coding to tell vials apart should plan to use labels or tape rather than counting on a specific cap color from pack to pack.
Snap-off caps from the 3ml Vial caps pack of 10 are designed for a single secure seal. Once the top has been snapped away, the cap no longer forms a closed seal, so it is not meant to be reused as a closure. Keeping spare caps from the pack on hand lets researchers re-seal a vial with a fresh cap when a new closure is needed.
Biotech Compounds supplies the 3ml Vial caps pack of 10 as a general laboratory accessory and does not list the caps as sterile. Researchers whose protocols require sterile closures should follow the cleaning and handling procedures of their own facility before placing a cap on a vial. Good practice is to handle caps with clean gloves and keep the pack closed when not in use.
Keep the 3ml Vial caps pack of 10 in a clean, dry place away from dust, heat, and direct sunlight. Storing the caps in their original packaging or a sealed container keeps them free of debris until they are needed. There are no special temperature requirements for the caps themselves, so a drawer or cabinet near the preparation bench is a practical location.
The 3ml Vial caps pack of 10 pairs with the other preparation accessories sold on Biotech Compounds, including Bacteriostatic Water for reconstitution, the Easy Touch U-100 Insulin Syringe with Needle for transferring liquid, and the Peptide Vial Storage Case for organizing sealed vials. Together these items cover the basic tools a lab needs to prepare, seal, and store small research vials.
Snap-off caps like those in the 3ml Vial caps pack of 10 seal in one press and open with a quick snap, which saves time when many vials are prepared at once. Screw caps can be reused but take longer to close and open and may loosen during handling. For vials that are sealed once and opened later, the snap-off design gives a clear visual sign that the vial has not been opened.
The 3ml Vial caps pack of 10 is sold strictly as a laboratory accessory for research use by qualified researchers and research organizations. Purchasers must be 21 years of age or older. The caps are not a drug, dietary supplement, or medical device, and they are not intended for human or animal consumption or for any clinical or household use.
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Purity, documented

Customer reviews

What the box and the inbox are like.

4.1/ 5
TrustScore from 46 reviews · as of September 2026
Trustpilot

My order shipped 10 minutes after placing it. Arrived a few days later packed perfectly. Quick and easy. Very happy with Biotech Compounds customer service.

JerrodSep 16, 2026

My package was stolen from my porch. The customer service person that I got just handled it. No arguing, no rudeness. This company cares about more than just sales.

Verified customerAug 23, 2026

Quick and seamless ordering, good product pricing and fast customer service. I had a question about a COA and they responded in a timely fashion.

M. MitchellAug 6, 2026

So happy with the products I ordered! It was a pleasant surprise when they were shipped out so quickly. Will definitely be ordering again.

LauraSep 16, 2026

Great selection of products, excellent customer service, and fast, efficient processing. My order arrived quickly.

MandySep 16, 2026

I have ordered several peps from this company. I just want to say they have the best customer service response if you have any issues.

JulieJul 28, 2026