Question 1

What is the catalog number for FD&C Yellow No. 4?

Accepted Answer

The catalog number for FD&C Yellow No. 4 is orb1986053.

Question 2

What sizes are available for FD&C Yellow No. 4?

Accepted Answer

FD&C Yellow No. 4 is available in the following size(s): 100 mg, 500 mg.

Question 3

How many pack sizes does FD&C Yellow No. 4 come in?

Accepted Answer

FD&C Yellow No. 4 is available in 2 different pack sizes.

Question 4

Is FD&C Yellow No. 4 in stock?

Accepted Answer

FD&C Yellow No. 4 is currently made to order / not held in immediate stock. Contact us for lead time.

Question 5

What is FD&C Yellow No. 4 used for?

Accepted Answer

FD&C Yellow No. 4 is a synthetic azo dye utilized as a colorant in research. It is commonly applied in histological staining and as a tracer in both in vitro permeability assays and in vivo pharmacokinetic studies.

Question 6

Is there an additional fee for hazardous or dry ice shipping of this product?

Accepted Answer

Yes, if this product requires dry ice or is classed as hazardous for transport, the additional fee will be explicitly shown in your quotation before you confirm the order, so there are no surprise charges later.

Question 7

How many freeze-thaw cycles can this product tolerate?

Accepted Answer

We recommend aliquoting the product upon receipt to avoid repeated freeze-thaw cycles, which can reduce activity and stability. This is your responsibility once the product has been delivered.

Question 8

Is antigen retrieval required for IHC with this antibody?

Accepted Answer

Recommended antigen retrieval methods, where applicable, are listed on the datasheet under the IHC protocol section.

FD&C Yellow No. 4

Product Specifications

CAS Number

Molecular Weight

Storage Conditions

Notes

Available Sizes

Frequently Asked Questions

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