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Merck

341738

Sulforhodamine B, acid form

Dye content 95 %

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About This Item

Empirical Formula (Hill Notation):
C27H30N2O7S2
CAS Number:
2609-88-3
Molecular Weight:
558.67
NACRES:
NA.23
PubChem Substance ID:
57649121
UNSPSC Code:
12352103
EC Number:
220-025-2
MDL number:
MFCD00067690

Key Documents

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Product Name

Sulforhodamine B, acid form, Dye content 95 %

InChI key

IOOMXAQUNPWDLL-UHFFFAOYSA-N

InChI

1S/C27H30N2O7S2/c1-5-28(6-2)18-9-12-21-24(15-18)36-25-16-19(29(7-3)8-4)10-13-22(25)27(21)23-14-11-20(37(30,31)32)17-26(23)38(33,34)35/h9-17H,5-8H2,1-4H3,(H-,30,31,32,33,34,35)

SMILES string

CCN(CC)c1ccc2c(OC3=CC(\C=CC3=C2c4ccc(cc4S([O-])(=O)=O)S(O)(=O)=O)=[N+](/CC)CC)c1

form

solid

composition

Dye content, 95%

mp

>300 °C (lit.)

λmax

558 nm

Quality Level

200

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Application

pH sensitive of SRB towards it reactivity to living cells renders it useful for scaling drug induced cytotoxicity and cell proliferations. SRB assay was used to monitor the enzymatic activity of living cells.

General description

Sulforhodamine B (SRB) is a fluorescent protein dye. It was reported that the dye binds itself to the amino acid residues of tricholoroacetic acid fixed cells in mild basic conditions and extracts itself into the solution under mild acidic conditions.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCL1013
11917BU
05825DO
03531JW
01020MG

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Efficacy of 5-FU or Oxaliplatin Monotherapy over Combination Therapy in Colorectal Cancer.
Toloudi M, et al.
Journal of Cancer Therapy, 6(4), 345-345 (2015)
Wieland Voigt
Methods in molecular medicine, 110, 39-48 (2005-05-20)
The sulforhodamine B (SRB) assay was developed by Skehan and colleagues to measure drug-induced cytotoxicity and cell proliferation for large-scale drug-screening applications. Its principle is based on the ability of the protein dye sulforhodamine B to bind electrostatically and pH
Jayshree K Khedkar et al.
Journal of molecular modeling, 18(8), 3743-3750 (2012-03-07)
The binding of the laser dyes rhodamine B (RhB) and sulforhodamine B (kiton red S or KRS) to a cucurbit[7]uril (CB[7]) host has been investigated using density functional theory. Both guests (RhB and KRS) contain two N,N-diethylamino groups on a
Xinyuan Chen et al.
Journal of controlled release : official journal of the Controlled Release Society, 159(1), 43-51 (2012-01-21)
Full-surface laser ablation has been shown to efficiently disrupt stratum corneum and facilitate transcutaneous drug delivery, but it is frequently associated with skin damage that hampers its clinic use. We show here that a safer ablative fractional laser (AFL) can
Zaichang Yang et al.
Phytomedicine : international journal of phytotherapy and phytopharmacology, 19(3-4), 301-305 (2012-01-14)
Fissistigma cavaleriei (Levl) Rehd (Annonaceae) is used as a folklore medicine for treatment of inflammation, arthritis, and tuberculosis by Miao people in China. In the present study, the antiangiogenic activity of F. cavaleriei was investigated. The chorioallantoic membrane of the
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