MedKoo Cat#: 571095 | Name: A 274

Description:

WARNING: This product is for research use only, not for human or veterinary use.

A 274 is a highly aromatic, monosubstituted phenol antioxidant generated during differentiation of neuroblastoma cells. It is extensively conjugated and present as a common trace constituent in randomly selected batches of commercial tissue culture media.

Chemical Structure

A 274
A 274
CAS#77273-75-7

Theoretical Analysis

MedKoo Cat#: 571095

Name: A 274

CAS#: 77273-75-7

Chemical Formula: C19H14O2

Exact Mass: 274.0994

Molecular Weight: 274.32

Elemental Analysis: C, 83.19; H, 5.14; O, 11.66

Price and Availability

This product is currently not in stock but may be available through custom synthesis. To ensure cost efficiency, the minimum order quantity is 1 gram. The estimated lead time is 2 to 4 months, with pricing dependent on the complexity of the synthesis (typically high for intricate chemistries). Quotes for quantities below 1 gram will not be provided. To request a quote, please click the button below. Note: If this product becomes available in stock in the future, pricing will be listed accordingly.
Bulk Inquiry
Related CAS #
No Data
Synonym
A 274; A274; A-274
IUPAC/Chemical Name
4-(9H-xanthen-9-yl)phenol
InChi Key
OIXOSCRCPTVMFN-UHFFFAOYSA-N
InChi Code
1S/C19H14O2/c20-14-11-9-13(10-12-14)19-15-5-1-3-7-17(15)21-18-8-4-2-6-16(18)19/h1-12,19-20H
SMILES Code
OC(C=C1)=CC=C1C2C3=CC=CC=C3OC4=CC=CC=C24
Appearance
Solid powder
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>2 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 274.32 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
1: Arneson RM, Hinds JL, Wander JD. Antioxidants in neoplastic cells: IV. Evidence that the phenolic antioxidant A274 is 9-(4-hydroxyphenyl)xanthene, an artifact in tissue culture media. Lipids. 1981 Jan;16(1):82-6. doi: 10.1007/BF02534929. PubMed PMID: 27521021.