True Blue
featured

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

MedKoo CAT#: 574277

CAS#: 71431-30-6 (HCl)

Description: True Blue is a fluorescent neuronal retrograde tracer that labels the nucleus, nucleolus, cell body, proximal dendrites, and axons of neurons. It displays excitation/emission maxima of 373/404 nm, respectively.


Chemical Structure

img
True Blue
CAS# 71431-30-6 (HCl)

Theoretical Analysis

MedKoo Cat#: 574277
Name: True Blue
CAS#: 71431-30-6 (HCl)
Chemical Formula: C20H18Cl2N4O2
Exact Mass: 416.08
Molecular Weight: 417.290
Elemental Analysis: C, 57.57; H, 4.35; Cl, 16.99; N, 13.43; O, 7.67

Price and Availability

Size Price Availability Quantity
5mg USD 595
Bulk inquiry

Related CAS #: 71431-30-6 (HCl)   50638-24-9 (free base)    

Synonym: NCI 240899, NCI-240899; NCI240899; True Blue

IUPAC/Chemical Name: 2,2'-(1E)-1,2-ethenediylbis-5-benzofurancarboximidamide, dihydrochloride

InChi Key: WFZFMHDDZRBTFH-CZEFNJPISA-N

InChi Code: InChI=1S/C20H16N4O2.2ClH/c21-19(22)11-1-5-17-13(7-11)9-15(25-17)3-4-16-10-14-8-12(20(23)24)2-6-18(14)26-16;;/h1-10H,(H3,21,22)(H3,23,24);2*1H/b4-3+;;

SMILES Code: N=C(N)C1=CC=C2C(C=C(/C=C/C3=CC4=C(C=CC(C(N)=N)=C4)O3)O2)=C1.Cl.Cl

Appearance: Solid powder

Purity: >90% (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: >3 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:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 417.29 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
Formulation protocol:
In vitro protocol:
In vivo protocol:

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.
=
x
x
g/mol

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

=
÷

Dilution Calculator

Calculate the dilution required to prepare a stock solution.
x
=
x

1. Bentivoglio, M., Kuypers, H.G., Catsman-Berrevoets, C.E., et al. Fuorescent retrograde neuronal labeling in rat by means of substances binding specifically to adenine-thymine rich DNA. Neurosci. Lett. 12(2-3), 235-240 (1979).

2. Kasten, F.H. Table 2.3. Fluorescent and Luminescent Probes for Biological Activity: A Practical Guide to Technology for Quantitative Real-Time Analysis 33 (1999).