Sulforhodamine B, acid form

ALDRICH/341738 - laser grade, Dye content 95 %

CAS Number: 2609-88-3
Empirical Formula (Hill Notation): C₂₇H₃₀N₂O₇S₂
Molecular Weight: 558.67
EC Number: 220-025-2
MDL Number: MFCD00067690
Linear Formula: C₂₇H₃₀N₂O₇S₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-341738-1G	1 g	$28.30 1/EA		Add To Favorites
45-341738-5G	5 g	$106.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

λ_max	558 nm
composition	Dye content, 95%
form	solid
grade	laser grade
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)
InChI key	IOOMXAQUNPWDLL-UHFFFAOYSA-N
mp	>300 °C (lit.)
SMILES string	CCN(CC)c1ccc2c(OC3=CC(C=CC3=C2c4ccc(cc4S([O-])(=O)=O)S(O)(=O)=O)=[N+](/CC)CC)c1

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.
Packaging:	1, 5 g in glass bottle

RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

mp	>300 °C (lit.)
UNSPSC	12352103

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