Stains and Dyes

A variety of solutions used to selectively bind to and enhance the visibility of biological structures using color and/or fluorescence; used for histology, protein staining, electrophoresis, bacterial classification, blotting, etc.

736 – 750 of 6,320 results

736

Sigma-Aldrich Wright Stain, Modified

For differential staining of the cellular elements of blood.

Pricing & Availability
Specifications

Type	Wright Stain

737

Sigma-Aldrich Wright-Giemsa Stain, Modified

When blood films are stained using Wright-Giemsa stain, the white blood cell nucleus and cytoplasm will take on characteristic blue or pink coloration.

Pricing & Availability
Specifications

Type	Wright-Giemsa Stain

738

Sigma-Aldrich Crystal Violet Solution for Gram Stain Procedure No. HT91

For use in histological staining in microbiology and cell biology.

Pricing & Availability

739

Epredia™ Richard-Allan Scientific™ Gomori's Trichrome (Blue Collagen)

Save time with Epredia™ Richard-Allan Scientific™ Gomori Trichrome (Blue Collagen), a one-step trichrome stain that achieves color differentiation similar to the Masson Trichrome.

Pricing & Availability

740

Epredia™ Richard-Allan Scientific™ Cyto-Stain™ G

Produces results similar to those achieved with conventional Papanicolaou stains

Pricing & Availability

741

BD BBL™/Difco™ TB Fluorescent Stain Kit T

For staining mycobacteria by the Truant, Brett and Thomas fluorescent procedure

Pricing & Availability

742

Promotions Available

BD Propidium Iodide Staining Solution

Designed for use in two-color Annexin V flow cytometric assays.

Pricing & Availability

743

Thermo Scientific Chemicals Methyl Red sodium salt, 0.02% w/v aq. soln.

CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.286 MDL Number: MFCD00002426 InChI Key: GNTPCYMJCJNRQB-UHFFFAOYSA-M PubChem CID: 4465632 IUPAC Name: sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	4465632
CAS	845-10-3
Molecular Weight (g/mol)	291.286
MDL Number	MFCD00002426
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]
IUPAC Name	sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate
InChI Key	GNTPCYMJCJNRQB-UHFFFAOYSA-M
Molecular Formula	C15H14N3NaO2

744

Thermo Scientific Chemicals Quinaldine red, pure

CAS: 117-92-0 Molecular Formula: C21H23IN2 Molecular Weight (g/mol): 430.33 MDL Number: MFCD00011968 InChI Key: JOLANDVPGMEGLK-UHFFFAOYSA-M Synonym: 2-[4-(Dimethylamino)styryl]-1-ethylquinolinium iodide PubChem CID: 5702759 SMILES: [I-].CC[N+]1=C2C=CC=CC2=CC=C1C=CC1=CC=C(C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	5702759
CAS	117-92-0
Molecular Weight (g/mol)	430.33
MDL Number	MFCD00011968
SMILES	[I-].CC[N+]1=C2C=CC=CC2=CC=C1C=CC1=CC=C(C=C1)N(C)C
Synonym	2-[4-(Dimethylamino)styryl]-1-ethylquinolinium iodide
InChI Key	JOLANDVPGMEGLK-UHFFFAOYSA-M
Molecular Formula	C21H23IN2

745

D-Luciferin sodium salt monohydrate, 98+%

CAS: 103404-75-7 Molecular Formula: C11H7N2NaO3S2 Molecular Weight (g/mol): 302.298 MDL Number: MFCD11865368 InChI Key: BZNVUYVALNTPBG-QWLWRJJTSA-M Synonym: Firefly Luciferin monosodium salt monohydrate PubChem CID: 133109097 IUPAC Name: sodium;(2E,4R)-2-(6-oxo-1,3-benzothiazol-2-ylidene)-1,3-thiazolidine-4-carboxylate SMILES: C1C(NC(=C2N=C3C=CC(=O)C=C3S2)S1)C(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	133109097
CAS	103404-75-7
Molecular Weight (g/mol)	302.298
MDL Number	MFCD11865368
SMILES	C1C(NC(=C2N=C3C=CC(=O)C=C3S2)S1)C(=O)[O-].[Na+]
Synonym	Firefly Luciferin monosodium salt monohydrate
IUPAC Name	sodium;(2E,4R)-2-(6-oxo-1,3-benzothiazol-2-ylidene)-1,3-thiazolidine-4-carboxylate
InChI Key	BZNVUYVALNTPBG-QWLWRJJTSA-M
Molecular Formula	C11H7N2NaO3S2

746

Thermo Scientific Chemicals Tetrabromophenol Blue

CAS: 4430-25-5 Molecular Formula: C19H6Br8O5S Molecular Weight (g/mol): 985.544 MDL Number: MFCD00005876 InChI Key: QPMIVFWZGPTDPN-UHFFFAOYSA-N Synonym: 3,4,5,6,3',5',3'',5''-Octabromophenolsulfonphthalein PubChem CID: 78159 IUPAC Name: 2,6-dibromo-4-[4,5,6,7-tetrabromo-3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: C1=C(C=C(C(=C1Br)O)Br)C2(C3=C(C(=C(C(=C3Br)Br)Br)Br)S(=O)(=O)O2)C4=CC(=C(C(=C4)Br)O)Br

Pricing & Availability
Specifications

PubChem CID	78159
CAS	4430-25-5
Molecular Weight (g/mol)	985.544
MDL Number	MFCD00005876
SMILES	C1=C(C=C(C(=C1Br)O)Br)C2(C3=C(C(=C(C(=C3Br)Br)Br)Br)S(=O)(=O)O2)C4=CC(=C(C(=C4)Br)O)Br
Synonym	3,4,5,6,3',5',3'',5''-Octabromophenolsulfonphthalein
IUPAC Name	2,6-dibromo-4-[4,5,6,7-tetrabromo-3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol
InChI Key	QPMIVFWZGPTDPN-UHFFFAOYSA-N
Molecular Formula	C19H6Br8O5S

747

Thermo Scientific Chemicals Janus Green B

CAS: 2869-83-2 Molecular Formula: C30H31ClN6 Molecular Weight (g/mol): 511.07 MDL Number: MFCD00011758 InChI Key: XXACTDWGHQXLGW-UHFFFAOYSA-M Synonym: C.I. 11050 PubChem CID: 76123 ChEBI: CHEBI:21184 IUPAC Name: 8-[[4-(dimethylamino)phenyl]diazenyl]-N,N-diethyl-10-phenylphenazin-10-ium-2-amine;chloride SMILES: [Cl-].CCN(CC)C1=CC=C2N=C3C=CC(=CC3=[N+](C3=CC=CC=C3)C2=C1)N=NC1=CC=C(C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	76123
CAS	2869-83-2
Molecular Weight (g/mol)	511.07
ChEBI	CHEBI:21184
MDL Number	MFCD00011758
SMILES	[Cl-].CCN(CC)C1=CC=C2N=C3C=CC(=CC3=[N+](C3=CC=CC=C3)C2=C1)N=NC1=CC=C(C=C1)N(C)C
Synonym	C.I. 11050
IUPAC Name	8-[[4-(dimethylamino)phenyl]diazenyl]-N,N-diethyl-10-phenylphenazin-10-ium-2-amine;chloride
InChI Key	XXACTDWGHQXLGW-UHFFFAOYSA-M
Molecular Formula	C30H31ClN6

748

Thermo Scientific Chemicals Reactive Blue 4, dye content min. 35%

CAS: 13324-20-4 Molecular Formula: C23H14Cl2N6O8S2 Molecular Weight (g/mol): 637.42 MDL Number: MFCD00001218 InChI Key: RTLULCVBFCRQKI-UHFFFAOYSA-N Synonym: C.I. 61205; Procion™ Blue MX-R PubChem CID: 25863 IUPAC Name: 1-amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfoanilino]-9,10-dioxoanthracene-2-sulfonic acid SMILES: NC1=C(C=C(NC2=CC=C(C(NC3=NC(Cl)=NC(Cl)=N3)=C2)S(O)(=O)=O)C2=C1C(=O)C1=CC=CC=C1C2=O)S(O)(=O)=O

Pricing & Availability
Specifications

PubChem CID	25863
CAS	13324-20-4
Molecular Weight (g/mol)	637.42
MDL Number	MFCD00001218
SMILES	NC1=C(C=C(NC2=CC=C(C(NC3=NC(Cl)=NC(Cl)=N3)=C2)S(O)(=O)=O)C2=C1C(=O)C1=CC=CC=C1C2=O)S(O)(=O)=O
Synonym	C.I. 61205; Procion™ Blue MX-R
IUPAC Name	1-amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfoanilino]-9,10-dioxoanthracene-2-sulfonic acid
InChI Key	RTLULCVBFCRQKI-UHFFFAOYSA-N
Molecular Formula	C23H14Cl2N6O8S2

749

Bromothymol Blue Sultone Form, ACS Reagent, Reag. Ph. Eur., Honeywell Fluka™

CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight (g/mol): 624.384 MDL Number: MFCD00005872 InChI Key: NUHCTOLBWMJMLX-UHFFFAOYSA-N Synonym: 3′,3″-Dibromothymolsulfonphthalein PubChem CID: 6450 ChEBI: CHEBI:86155 IUPAC Name: 2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)C(C)C)C(C)C)O)Br

Pricing & Availability
Specifications

PubChem CID	6450
CAS	76-59-5
Molecular Weight (g/mol)	624.384
ChEBI	CHEBI:86155
MDL Number	MFCD00005872
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)C(C)C)C(C)C)O)Br
Synonym	3′,3″-Dibromothymolsulfonphthalein
IUPAC Name	2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol
InChI Key	NUHCTOLBWMJMLX-UHFFFAOYSA-N
Molecular Formula	C27H28Br2O5S

750

2',7'-Dichlorofluorescein Solution, Honeywell™ Fluka™

CAS: 76-54-0 Molecular Formula: C20H10Cl2O5 Molecular Weight (g/mol): 401.195 MDL Number: MFCD00005047 InChI Key: VFNKZQNIXUFLBC-UHFFFAOYSA-N PubChem CID: 64944 ChEBI: CHEBI:51596 IUPAC Name: 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl

Pricing & Availability
Specifications

PubChem CID	64944
CAS	76-54-0
Molecular Weight (g/mol)	401.195
ChEBI	CHEBI:51596
MDL Number	MFCD00005047
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl
IUPAC Name	2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	VFNKZQNIXUFLBC-UHFFFAOYSA-N
Molecular Formula	C20H10Cl2O5

Stains and Dyes

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