Staining Reagents

Stains, staining systems, and blocking agents in a variety of types, grades, molecular weights, purities, and pH ranges; used to elucidate important structures of microorganisms including bacteria, viruses, protozoa, etc.

Stains and Dyes (9,044)

Tissue Stain Blocking Reagents (80)

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481 – 495 of 7,000 results

481

Safranine O, MP Biomedicals™

CAS: 477-73-6 Molecular Formula: C20H19ClN4 Molecular Weight (g/mol): 350.85 MDL Number: MFCD00011759 InChI Key: QRYAEWIQIBAZOJ-UHFFFAOYSA-N Synonym: Basic Red 2,Gossypimine PubChem CID: 2723800 IUPAC Name: 2,7-diamino-1,8-dimethyl-5-phenyl-5λ⁵-phenazin-5-ylium chloride SMILES: [Cl-].CC1=C(N)C=C2C(=C1)N=C1C(C)=C(N)C=CC1=[N+]2C1=CC=CC=C1

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Specifications

PubChem CID	2723800
CAS	477-73-6
Molecular Weight (g/mol)	350.85
MDL Number	MFCD00011759
SMILES	[Cl-].CC1=C(N)C=C2C(=C1)N=C1C(C)=C(N)C=CC1=[N+]2C1=CC=CC=C1
Synonym	Basic Red 2,Gossypimine
IUPAC Name	2,7-diamino-1,8-dimethyl-5-phenyl-5λ⁵-phenazin-5-ylium chloride
InChI Key	QRYAEWIQIBAZOJ-UHFFFAOYSA-N
Molecular Formula	C20H19ClN4

482

Epredia™ Papanicolaou OG-6 and Modified OG Stains

Stain gynecological specimens with Epredia™ Papanicolaou Stain OGs.

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483

Bromocresol purple, MP Biomedicals™

CAS: 115-40-2 Molecular Formula: C21H16Br2O5S Molecular Weight (g/mol): 540.22 MDL Number: MFCD00011681 InChI Key: ABIUHPWEYMSGSR-UHFFFAOYSA-N Synonym: 5', 5”-dibromo-o-cresolsulfonephthalein PubChem CID: 8273 ChEBI: CHEBI:86154 IUPAC Name: 3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione SMILES: CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1

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Specifications

PubChem CID	8273
CAS	115-40-2
Molecular Weight (g/mol)	540.22
ChEBI	CHEBI:86154
MDL Number	MFCD00011681
SMILES	CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1
Synonym	5', 5”-dibromo-o-cresolsulfonephthalein
IUPAC Name	3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
InChI Key	ABIUHPWEYMSGSR-UHFFFAOYSA-N
Molecular Formula	C21H16Br2O5S

484

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Thermo Scientific Chemicals Fast Blue BB base

CAS: 120-00-3 Molecular Formula: C17H20N2O3 Molecular Weight (g/mol): 300.358 MDL Number: MFCD00009091 InChI Key: CNXZLZNEIYFZGU-UHFFFAOYSA-N Synonym: C.I. 37175; 4'-Amino-2',5'-diethoxybenzanilide PubChem CID: 67108 IUPAC Name: N-(4-amino-2,5-diethoxyphenyl)benzamide SMILES: CCOC1=CC(=C(C=C1N)OCC)NC(=O)C2=CC=CC=C2

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Specifications

PubChem CID	67108
CAS	120-00-3
Molecular Weight (g/mol)	300.358
MDL Number	MFCD00009091
SMILES	CCOC1=CC(=C(C=C1N)OCC)NC(=O)C2=CC=CC=C2
Synonym	C.I. 37175; 4'-Amino-2',5'-diethoxybenzanilide
IUPAC Name	N-(4-amino-2,5-diethoxyphenyl)benzamide
InChI Key	CNXZLZNEIYFZGU-UHFFFAOYSA-N
Molecular Formula	C17H20N2O3

485

Ethyl Orange sodium salt, Thermo Scientific Chemicals

CAS: 62758-12-7 Molecular Formula: C16H18N3NaO3S Molecular Weight (g/mol): 355.388 MDL Number: MFCD00007503 InChI Key: YZORUOZKRBVLEG-UHFFFAOYSA-M Synonym: 4-[4-(Diethylamino)phenylazo]benzenesulfonic acid sodium salt PubChem CID: 23676309 IUPAC Name: sodium;4-[[4-(diethylamino)phenyl]diazenyl]benzenesulfonate SMILES: CCN(CC)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]

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Specifications

PubChem CID	23676309
CAS	62758-12-7
Molecular Weight (g/mol)	355.388
MDL Number	MFCD00007503
SMILES	CCN(CC)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
Synonym	4-[4-(Diethylamino)phenylazo]benzenesulfonic acid sodium salt
IUPAC Name	sodium;4-[[4-(diethylamino)phenyl]diazenyl]benzenesulfonate
InChI Key	YZORUOZKRBVLEG-UHFFFAOYSA-M
Molecular Formula	C16H18N3NaO3S

486

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Phenol, Fused Crystal, USP, 99-100.5%, Spectrum™ Chemical

CAS: 108-95-2 Molecular Formula: C6H6O Molecular Weight (g/mol): 94.11 MDL Number: MFCD00002143 InChI Key: ISWSIDIOOBJBQZ-UHFFFAOYSA-N IUPAC Name: phenol SMILES: OC1=CC=CC=C1

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Specifications

CAS	108-95-2
Molecular Weight (g/mol)	94.11
MDL Number	MFCD00002143
SMILES	OC1=CC=CC=C1
IUPAC Name	phenol
InChI Key	ISWSIDIOOBJBQZ-UHFFFAOYSA-N
Molecular Formula	C6H6O

487

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Phenol, Fused Crystal, USP, 99-100.5%, Spectrum™ Chemical

CAS: 108-95-2 Molecular Formula: C6H6O Molecular Weight (g/mol): 94.11 MDL Number: MFCD00002143 InChI Key: ISWSIDIOOBJBQZ-UHFFFAOYSA-N IUPAC Name: phenol SMILES: OC1=CC=CC=C1

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Specifications

CAS	108-95-2
Molecular Weight (g/mol)	94.11
MDL Number	MFCD00002143
SMILES	OC1=CC=CC=C1
IUPAC Name	phenol
InChI Key	ISWSIDIOOBJBQZ-UHFFFAOYSA-N
Molecular Formula	C6H6O

488

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Eriochrome Black T, Reagent, ACS, Spectrum™ Chemical

CAS: 1787-61-7 Molecular Formula: C20H12N3NaO7S Molecular Weight (g/mol): 461.38 MDL Number: MFCD00003935 InChI Key: JHUJLRKQZAPSDP-GXTSIBQPSA-M IUPAC Name: sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate SMILES: [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O

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Specifications

CAS	1787-61-7
Molecular Weight (g/mol)	461.38
MDL Number	MFCD00003935
SMILES	[Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O
IUPAC Name	sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate
InChI Key	JHUJLRKQZAPSDP-GXTSIBQPSA-M
Molecular Formula	C20H12N3NaO7S

489

Thermo Scientific Chemicals Phenol Red sodium salt, ACS

CAS: 34487-61-1 Molecular Formula: C19H13NaO5S Molecular Weight (g/mol): 376.358 MDL Number: MFCD00066901 InChI Key: HKHYOKBQJILTEI-UHFFFAOYSA-M PubChem CID: 23686673 IUPAC Name: sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23686673
CAS	34487-61-1
Molecular Weight (g/mol)	376.358
MDL Number	MFCD00066901
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]
IUPAC Name	sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate
InChI Key	HKHYOKBQJILTEI-UHFFFAOYSA-M
Molecular Formula	C19H13NaO5S

490

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2,6-Dichloroindophenol, sodium salt hydrate, 95%

CAS: 1266615-56-8 Molecular Formula: C12H6Cl2NNaO2 Molecular Weight (g/mol): 290.07 MDL Number: MFCD00150014 InChI Key: CVSUAFOWIXUYQA-UHFFFAOYSA-M Synonym: Tillman's reagent hydrate PubChem CID: 23696612 SMILES: [Na+].[O-]C1=CC=C(C=C1)N=C1C=C(Cl)C(=O)C(Cl)=C1

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Specifications

PubChem CID	23696612
CAS	1266615-56-8
Molecular Weight (g/mol)	290.07
MDL Number	MFCD00150014
SMILES	[Na+].[O-]C1=CC=C(C=C1)N=C1C=C(Cl)C(=O)C(Cl)=C1
Synonym	Tillman's reagent hydrate
InChI Key	CVSUAFOWIXUYQA-UHFFFAOYSA-M
Molecular Formula	C12H6Cl2NNaO2

491

Brilliant Crocein

CAS: 5413-75-2 Molecular Formula: C22H16N4Na2O7S2 Molecular Weight (g/mol): 558.491 MDL Number: MFCD00003907 InChI Key: BMBHMIGLJQAUTJ-HKWNQDJZSA-N Synonym: C.I. 27290; Crocein Scarlet MOO PubChem CID: 88641610 IUPAC Name: (8Z)-7-oxo-8-[(4-phenyldiazenylphenyl)hydrazinylidene]naphthalene-1,3-disulfonic acid;sodium SMILES: C1=CC=C(C=C1)N=NC2=CC=C(C=C2)NN=C3C(=O)C=CC4=CC(=CC(=C43)S(=O)(=O)O)S(=O)(=O)O.[Na].[Na]

Pricing & Availability
Specifications

PubChem CID	88641610
CAS	5413-75-2
Molecular Weight (g/mol)	558.491
MDL Number	MFCD00003907
SMILES	C1=CC=C(C=C1)N=NC2=CC=C(C=C2)NN=C3C(=O)C=CC4=CC(=CC(=C43)S(=O)(=O)O)S(=O)(=O)O.[Na].[Na]
Synonym	C.I. 27290; Crocein Scarlet MOO
IUPAC Name	(8Z)-7-oxo-8-[(4-phenyldiazenylphenyl)hydrazinylidene]naphthalene-1,3-disulfonic acid;sodium
InChI Key	BMBHMIGLJQAUTJ-HKWNQDJZSA-N
Molecular Formula	C22H16N4Na2O7S2

492

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Naringin, 97%

CAS: 10236-47-2 Molecular Formula: C27H32O14 Molecular Weight (g/mol): 580.54 MDL Number: MFCD00148888,MFCD00149445,MFCD01461988 InChI Key: DFPMSGMNTNDNHN-ZPHOTFPESA-N PubChem CID: 74787988 IUPAC Name: 7-[(2S,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one SMILES: C[C@@H]1O[C@@H](O[C@@H]2[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]2OC2=CC(O)=C3C(=O)C[C@H](OC3=C2)C2=CC=C(O)C=C2)[C@H](O)[C@H](O)[C@H]1O

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Specifications

PubChem CID	74787988
CAS	10236-47-2
Molecular Weight (g/mol)	580.54
MDL Number	MFCD00148888,MFCD00149445,MFCD01461988
SMILES	C[C@@H]1O[C@@H](O[C@@H]2[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]2OC2=CC(O)=C3C(=O)C[C@H](OC3=C2)C2=CC=C(O)C=C2)[C@H](O)[C@H](O)[C@H]1O
IUPAC Name	7-[(2S,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one
InChI Key	DFPMSGMNTNDNHN-ZPHOTFPESA-N
Molecular Formula	C27H32O14

493

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Thermo Scientific Chemicals Methylene Blue hydrate, pure

CAS: 122965-43-9 Molecular Formula: C16H18ClN3S Molecular Weight (g/mol): 319.85 MDL Number: MFCD00150006 InChI Key: CXKWCBBOMKCUKX-UHFFFAOYSA-M Synonym: Basic Blue 9 hydrate,C.I. 52015 hydrate PubChem CID: 16211647 SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C

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Specifications

PubChem CID	16211647
CAS	122965-43-9
Molecular Weight (g/mol)	319.85
MDL Number	MFCD00150006
SMILES	[Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C
Synonym	Basic Blue 9 hydrate,C.I. 52015 hydrate
InChI Key	CXKWCBBOMKCUKX-UHFFFAOYSA-M
Molecular Formula	C16H18ClN3S

494

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Eosin B, pure, certified

CAS: 548-24-3 Molecular Formula: C₂₀H₆Br₂N₂Na₂O₉ MDL Number: MFCD00005041 Synonym: 4',5'-Dibromo-2',7'-dinitrofluorescein, disodium salt,4', 5'-Dibromo-2', 7'-dinitrofluorescein,Eosin Bluish

Pricing & Availability
Specifications

CAS	548-24-3
MDL Number	MFCD00005041
Synonym	4',5'-Dibromo-2',7'-dinitrofluorescein, disodium salt,4', 5'-Dibromo-2', 7'-dinitrofluorescein,Eosin Bluish
Molecular Formula	C₂₀H₆Br₂N₂Na₂O₉

495

Nitrazine Yellow

CAS: 5423-07-4 MDL Number: MFCD00003938 Synonym: C.I. 14890; Delta Yellow

Pricing & Availability
Specifications

CAS	5423-07-4
MDL Number	MFCD00003938
Synonym	C.I. 14890; Delta Yellow

Staining Reagents

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