201960

Acid Yellow 25

Name: Acid Yellow 25
Brand: SIAL

Dye content 40 %

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About This Item

Empirical Formula (Hill Notation):

C₂₃H₂₀N₅NaO₆S₂

CAS Number:

6359-85-9

Molecular Weight:

549.55

Colour Index Number:

18835

EC Number:

228-810-1

MDL number:

MFCD00003121

UNSPSC Code:

12171500

PubChem Substance ID:

24852030

NACRES:

NA.47

Key Documents

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form

powder

composition

Dye content, 40%

λ_max

392 nm

ε (extinction coefficient)

13200 at 259 nm in H₂O at 0.03 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].Cc1ccc(cc1S(=O)(=O)Nc2ccccc2)\N=N\c3c(C)nn(c3O)-c4ccc(cc4)S([O-])(=O)=O

InChI

1S/C23H21N5O6S2.Na/c1-15-8-9-18(14-21(15)35(30,31)27-17-6-4-3-5-7-17)24-25-22-16(2)26-28(23(22)29)19-10-12-20(13-11-19)36(32,33)34;/h3-14,27,29H,1-2H3,(H,32,33,34);/q;+1/p-1/b25-24+;

Inchi Key

VKLQVFKYJGXGKQ-QREUMGABSA-M

Related Categories

Clinical & Diagnostics

Hematology Stains

Tissue Diagnostics

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This Item	210684	210323	201820
Sigma-Aldrich 201960 Acid Yellow 25	Sigma-Aldrich 210684 Acid Blue 25	Sigma-Aldrich 210323 Acid Blue 80	Sigma-Aldrich 201820 Acid Red 183
form powder	form powder	form powder	form powder
application(s) diagnostic assay manufacturing hematology histology	application(s) diagnostic assay manufacturing hematology histology	application(s) diagnostic assay manufacturing hematology histology	application(s) diagnostic assay manufacturing hematology histology
composition Dye content, 40%	composition Dye content, 45%	composition Dye content, 40%	composition Dye content, 30%
storage temp. room temp	storage temp. room temp	storage temp. room temp	storage temp. room temp
λ_max 392 nm	λ_max 600 nm	λ_max 582 nm, 627 nm (2nd)	λ_max 494 nm
ε (extinction coefficient) 13200 at 259 nm in H₂O at 0.03 g/L	ε (extinction coefficient) ≥10000 at 254-260 nm in ethanol at 0.03 g/L	ε (extinction coefficient) -	ε (extinction coefficient) 2900 at 322 nm in H₂O at 0.03 g/L, 7500 at 244 nm in H₂O at 0.03 g/L

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number

10715HS

04410AO

U01347

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Nanoscale Architecture of the Cortical Actin Cytoskeleton in Embryonic Stem Cells.

Shumin Xia et al.

Cell reports, 28(5), 1251-1267 (2019-08-01)

Mechanical cues influence pluripotent stem cell differentiation, but the underlying mechanisms are not well understood. Mouse embryonic stem cells (mESCs) exhibit unusual cytomechanical properties, including low cell stiffness and attenuated responses to substrate rigidity, but the underlying structural basis remains

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Acid Yellow 25