Question 1

What is the catalog number for Vari Fluor 640 Carboxylic acid (free acid)?

Accepted Answer

The catalog number for Vari Fluor 640 Carboxylic acid (free acid) is orb3132875.

Question 2

What sizes are available for Vari Fluor 640 Carboxylic acid (free acid)?

Accepted Answer

Vari Fluor 640 Carboxylic acid (free acid) is available in the following size(s): 10 mg, 50 mg.

Question 3

How many pack sizes does Vari Fluor 640 Carboxylic acid (free acid) come in?

Accepted Answer

Vari Fluor 640 Carboxylic acid (free acid) is available in 2 different pack sizes.

Question 4

Is Vari Fluor 640 Carboxylic acid (free acid) in stock?

Accepted Answer

Vari Fluor 640 Carboxylic acid (free acid) is currently made to order / not held in immediate stock. Contact us for lead time.

Question 5

What is Vari Fluor 640 Carboxylic acid (free acid) used for?

Accepted Answer

Vari Fluor 640 Carboxylic acid (VF 640 Carboxylic acid) free acid is a carboxylic acid derivative from Vari Fluor. This inactive labeling fluorescent dye requires carboxylic acid activation prior to its use in labeling proteins, antibodies, and polysaccharides.

Question 6

Do you provide a Certificate of Analysis (CoA) for this product?

Accepted Answer

A Certificate of Analysis is available for most products upon request. Contact our support team with the lot number to obtain the relevant CoA.

Question 7

Is this product suitable for live cell imaging?

Accepted Answer

Suitability for live cell imaging depends on the specific reagent and conjugate used. Check the datasheet for imaging-specific validation, or contact us for guidance.

Question 8

Is this product covered by a money-back guarantee?

Accepted Answer

Yes, we guarantee a full refund or store credit if this product arrives damaged beyond usability, or has a genuine performance issue under proper usage and storage, provided you report it immediately with evidence. Claims after the expiration date or due to improper storage after receipt are excluded.

Vari Fluor 640 Carboxylic acid (free acid)

Product Specifications

Storage Conditions

Notes

Available Sizes

Frequently Asked Questions

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