MedKoo Cat#: 576326 | Name: HOE-33342 free base
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Description:

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

HOE 33342, also known as Hoechst 33342, HO342, is a Benzimidazole fluorescent dye and a Cell permeable fluorescent DNA stain; binds minor groove of AT-rich regions. HOE 33342 trihydrochloride is used to quantify DNA in viable cells.

Chemical Structure

HOE-33342 free base
HOE-33342 free base
CAS#23491-52-3 (free base)

Theoretical Analysis

MedKoo Cat#: 576326

Name: HOE-33342 free base

CAS#: 23491-52-3 (free base)

Chemical Formula: C27H28N6O

Exact Mass: 452.2325

Molecular Weight: 452.56

Elemental Analysis: C, 71.66; H, 6.24; N, 18.57; O, 3.54

Price and Availability

Size Price Availability Quantity
50mg USD 250.00 2 Weeks
100mg USD 450.00 2 Weeks
250mg USD 850.00 2 Weeks
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Synonym
Bisbenzimide; HO342; HO 342; HO-342; HOE 33342; HOE33342; HOE-33342; Hoechst 33342; Hoechst33342; Hoechst-33342;
IUPAC/Chemical Name
2,5'-Bibenzimidazole, 2'-(p-ethoxyphenyl)-5-(4-methyl-1-piperazinyl)-
InChi Key
PRDFBSVERLRRMY-UHFFFAOYSA-N
InChi Code
InChI=1S/C27H28N6O/c1-3-34-21-8-4-18(5-9-21)26-28-22-10-6-19(16-24(22)30-26)27-29-23-11-7-20(17-25(23)31-27)33-14-12-32(2)13-15-33/h4-11,16-17H,3,12-15H2,1-2H3,(H,28,30)(H,29,31)
SMILES Code
CCOc1ccc(cc1)c2nc3cc(ccc3[nH]2)c4nc5cc(ccc5[nH]4)N6CCN(C)CC6
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
To be determined
Shelf Life
>2 years if stored properly
Drug Formulation
To be determined
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 452.56 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. Crowley LC, Marfell BJ, Waterhouse NJ. Analyzing Cell Death by Nuclear Staining with Hoechst 33342. Cold Spring Harb Protoc. 2016 Sep 1;2016(9). doi: 10.1101/pdb.prot087205. PMID: 27587774.