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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346 – 360 of 7,000 results

346

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Thermo Scientific Chemicals Ponceau S, pure

CAS: 6226-79-5 Molecular Formula: C22H12N4Na4O13S4 Molecular Weight (g/mol): 760.552 MDL Number: MFCD00003892 InChI Key: VSXKEUCERCWGKF-STNZDNLRSA-J Synonym: C.I. 27195,3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2, 7-naphthalenedisulfonic acid, tetrasodium salt PubChem CID: 11320219 IUPAC Name: tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate SMILES: C1=CC(=CC=C1N=NC2=CC(=C(C=C2)NN=C3C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

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Specifications

PubChem CID	11320219
CAS	6226-79-5
Molecular Weight (g/mol)	760.552
MDL Number	MFCD00003892
SMILES	C1=CC(=CC=C1N=NC2=CC(=C(C=C2)NN=C3C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
Synonym	C.I. 27195,3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2, 7-naphthalenedisulfonic acid, tetrasodium salt
IUPAC Name	tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate
InChI Key	VSXKEUCERCWGKF-STNZDNLRSA-J
Molecular Formula	C22H12N4Na4O13S4

347

Eriochrome Black T, ACS Reagent Grade, Ricca Chemical

CAS: 1787-61-7 Molecular Formula: C20H12N3NaO7S Molecular Weight (g/mol): 461.38 MDL Number: MFCD00003935 InChI Key: JHUJLRKQZAPSDP-GXTSIBQPSA-M PubChem CID: 87355429 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

PubChem CID	87355429
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

348

BD Horizon™ Fixable Viability Stain 440 UV, 200 μg

For research use only

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349

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Thermo Scientific Chemicals Thymol Blue sodium salt, ACS reagent

CAS: 62625-21-2 Molecular Formula: C27H29NaO5S Molecular Weight (g/mol): 488.57 MDL Number: MFCD00151093 InChI Key: OCMIKNBSIRSUPI-FRWNMSGJSA-M PubChem CID: 23692293 SMILES: [Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O

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Specifications

PubChem CID	23692293
CAS	62625-21-2
Molecular Weight (g/mol)	488.57
MDL Number	MFCD00151093
SMILES	[Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O
InChI Key	OCMIKNBSIRSUPI-FRWNMSGJSA-M
Molecular Formula	C27H29NaO5S

350

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Thermo Scientific Chemicals Leuco Crystal Violet, 99%, pure

CAS: 603-48-5 Molecular Formula: C25H31N3 Molecular Weight (g/mol): 373.54 MDL Number: MFCD00008314 InChI Key: OAZWDJGLIYNYMU-UHFFFAOYSA-N Synonym: 4,4',4''-Methylidynetris(N,N-dimethylaniline),LCV PubChem CID: 69048 IUPAC Name: 4-[bis[4-(dimethylamino)phenyl]methyl]-N,N-dimethylaniline SMILES: CN(C)C1=CC=C(C=C1)C(C1=CC=C(C=C1)N(C)C)C1=CC=C(C=C1)N(C)C

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Specifications

PubChem CID	69048
CAS	603-48-5
Molecular Weight (g/mol)	373.54
MDL Number	MFCD00008314
SMILES	CN(C)C1=CC=C(C=C1)C(C1=CC=C(C=C1)N(C)C)C1=CC=C(C=C1)N(C)C
Synonym	4,4',4''-Methylidynetris(N,N-dimethylaniline),LCV
IUPAC Name	4-[bis[4-(dimethylamino)phenyl]methyl]-N,N-dimethylaniline
InChI Key	OAZWDJGLIYNYMU-UHFFFAOYSA-N
Molecular Formula	C25H31N3

351

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Thermo Scientific Chemicals Phloxine B, 85%, pure, high purity, Biological stain

CAS: 18472-87-2 Molecular Formula: C₂₀H₂Br₄Cl₄Na₂O₅ MDL Number: MFCD00005061 Synonym: Acid Red 92,C.I. 45410

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Specifications

CAS	18472-87-2
MDL Number	MFCD00005061
Synonym	Acid Red 92,C.I. 45410
Molecular Formula	C₂₀H₂Br₄Cl₄Na₂O₅

352

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Thermo Scientific Chemicals Methylene Blue trihydrate, 95%, pure

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.90 MDL Number: MFCD00150008 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: Basic Blue 9 trihydrate,C.I. 52015 trihydrate PubChem CID: 104827 SMILES: O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C

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Specifications

PubChem CID	104827
CAS	7220-79-3
Molecular Weight (g/mol)	373.90
MDL Number	MFCD00150008
SMILES	O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C
Synonym	Basic Blue 9 trihydrate,C.I. 52015 trihydrate
InChI Key	XQAXGZLFSSPBMK-UHFFFAOYSA-M
Molecular Formula	C16H24ClN3O3S

353

Leucocrystal violet, 99.8%, For HPLC analysis, MP Biomedicals™

CAS: 603-48-5 Molecular Formula: C25H31N3 Molecular Weight (g/mol): 373.54 MDL Number: MFCD00008314 InChI Key: OAZWDJGLIYNYMU-UHFFFAOYSA-N Synonym: 4,4',4''-Methylidynetris(N,N-dimethylaniline) PubChem CID: 69048 IUPAC Name: 4-{bis[4-(dimethylamino)phenyl]methyl}-N,N-dimethylaniline SMILES: CN(C)C1=CC=C(C=C1)C(C1=CC=C(C=C1)N(C)C)C1=CC=C(C=C1)N(C)C

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Specifications

PubChem CID	69048
CAS	603-48-5
Molecular Weight (g/mol)	373.54
MDL Number	MFCD00008314
SMILES	CN(C)C1=CC=C(C=C1)C(C1=CC=C(C=C1)N(C)C)C1=CC=C(C=C1)N(C)C
Synonym	4,4',4''-Methylidynetris(N,N-dimethylaniline)
IUPAC Name	4-{bis[4-(dimethylamino)phenyl]methyl}-N,N-dimethylaniline
InChI Key	OAZWDJGLIYNYMU-UHFFFAOYSA-N
Molecular Formula	C25H31N3

354

Thermo Scientific Chemicals Bromothymol Blue, ACS reagent

CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight (g/mol): 624.384 MDL Number: MFCD00005872 InChI Key: NUHCTOLBWMJMLX-UHFFFAOYSA-N Synonym: Bromthymol Blue,3';, 3';';-Dibromothymolsulfonephthalein,BTB 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	Bromthymol Blue,3';, 3';';-Dibromothymolsulfonephthalein,BTB
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

355

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Thermo Scientific Chemicals Calmagite, pure, indicator grade

CAS: 3147-14-6 Molecular Formula: C17H14N2O5S Molecular Weight (g/mol): 358.368 MDL Number: MFCD00011656 InChI Key: ASFVMSDYPYMUFL-UHFFFAOYSA-N Synonym: 3-Hydroxy-4-(2-hydroxy-5-methylphenylazo)-1-naphthalenesulfonic acid PubChem CID: 6364506 IUPAC Name: 4-[(2-hydroxy-5-methylphenyl)hydrazinylidene]-3-oxonaphthalene-1-sulfonic acid SMILES: CC1=CC(=C(C=C1)O)NN=C2C3=CC=CC=C3C(=CC2=O)S(=O)(=O)O

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Specifications

PubChem CID	6364506
CAS	3147-14-6
Molecular Weight (g/mol)	358.368
MDL Number	MFCD00011656
SMILES	CC1=CC(=C(C=C1)O)NN=C2C3=CC=CC=C3C(=CC2=O)S(=O)(=O)O
Synonym	3-Hydroxy-4-(2-hydroxy-5-methylphenylazo)-1-naphthalenesulfonic acid
IUPAC Name	4-[(2-hydroxy-5-methylphenyl)hydrazinylidene]-3-oxonaphthalene-1-sulfonic acid
InChI Key	ASFVMSDYPYMUFL-UHFFFAOYSA-N
Molecular Formula	C17H14N2O5S

356

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Thermo Scientific Chemicals Victoria Blue B, pure

CAS: 2580-56-5 Molecular Formula: C33H32ClN3 Molecular Weight (g/mol): 506.09 MDL Number: MFCD00011878 InChI Key: LLWJPGAKXJBKKA-UHFFFAOYSA-N Synonym: Basic Blue 26,C.I. 44045 PubChem CID: 17407 ChEBI: CHEBI:87651 IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]naphthalen-1-ylidene]-phenylazanium;chloride SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[NH+]C3=CC=CC=C3)C4=CC=CC=C24)C5=CC=C(C=C5)N(C)C.[Cl-]

Pricing & Availability
Specifications

PubChem CID	17407
CAS	2580-56-5
Molecular Weight (g/mol)	506.09
ChEBI	CHEBI:87651
MDL Number	MFCD00011878
SMILES	CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[NH+]C3=CC=CC=C3)C4=CC=CC=C24)C5=CC=C(C=C5)N(C)C.[Cl-]
Synonym	Basic Blue 26,C.I. 44045
IUPAC Name	[4-[bis[4-(dimethylamino)phenyl]methylidene]naphthalen-1-ylidene]-phenylazanium;chloride
InChI Key	LLWJPGAKXJBKKA-UHFFFAOYSA-N
Molecular Formula	C33H32ClN3

357

Thermo Scientific™ Remel™ TB Base Digestant

The Thermo Scientific™ Remel TB Base Digestant is for digestion and decontamination procedures for AFB cultures.

Pricing & Availability

358

Molecular Weight (g/mol)	509.43
Color	Purple to Red
Loss on Drying	≤10 %
Physical Form	Powder
Certificate of Analysis	Available
Chemical Name or Material	Acid Red 1
Absorbance	≥250 lambda 503 - 509 nm, 0.02 g/l water; >250 lambda 530 - 534 nm, 0.02 g/l water
CAS	3734-67-6
Infrared Spectrum	Conforms
MDL Number	00003954
Packaging	Glass bottle
Solubility Information	Soluble in water
Synonym	5-Acetamido-4-hydroxy-3-phenylazo-2,7-naphthalene-disulfonicacid, disodium salt; Amido Naphthol Red G; Azophloxine; C.I. 18050
RTECS Number	QJ6030000
Recommended Storage	Normal conditions
Shelf Life	5 years
Molecular Formula	C18 H13 N3 Na2 O8 S2
EINECS Number	223-098-9

359

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Thermo Scientific Chemicals Sudan Red 7B

CAS: 6368-72-5 Molecular Formula: C24H21N5 Molecular Weight (g/mol): 379.467 MDL Number: MFCD00003904 InChI Key: VKWNTWQXVLKCSG-UHFFFAOYSA-N Synonym: C.I. 26050,N-Ethyl-1-[4-(phenylazo)phenylazo]-2-naphthylamine,Fat Red 7B,Solvent Red 19 PubChem CID: 61396 IUPAC Name: N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine SMILES: CCNC1=C(C2=CC=CC=C2C=C1)N=NC3=CC=C(C=C3)N=NC4=CC=CC=C4

Pricing & Availability
Specifications

PubChem CID	61396
CAS	6368-72-5
Molecular Weight (g/mol)	379.467
MDL Number	MFCD00003904
SMILES	CCNC1=C(C2=CC=CC=C2C=C1)N=NC3=CC=C(C=C3)N=NC4=CC=CC=C4
Synonym	C.I. 26050,N-Ethyl-1-[4-(phenylazo)phenylazo]-2-naphthylamine,Fat Red 7B,Solvent Red 19
IUPAC Name	N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine
InChI Key	VKWNTWQXVLKCSG-UHFFFAOYSA-N
Molecular Formula	C24H21N5

360

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Sudan orange G, pure

CAS: 2051-85-6 Molecular Formula: C12H10N2O2 Molecular Weight (g/mol): 214.22 MDL Number: MFCD00002275 InChI Key: PULNESMFDLBKAZ-SDNWHVSQSA-N Synonym: C.I. 11920,4-(Phenylazo)resorcinol,Solvent orange 1 PubChem CID: 5921655 IUPAC Name: (4Z)-3-hydroxy-4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one SMILES: OC1=CC(=O)C=C\C1=N/NC1=CC=CC=C1

Pricing & Availability
Specifications

PubChem CID	5921655
CAS	2051-85-6
Molecular Weight (g/mol)	214.22
MDL Number	MFCD00002275
SMILES	OC1=CC(=O)C=C\C1=N/NC1=CC=CC=C1
Synonym	C.I. 11920,4-(Phenylazo)resorcinol,Solvent orange 1
IUPAC Name	(4Z)-3-hydroxy-4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one
InChI Key	PULNESMFDLBKAZ-SDNWHVSQSA-N
Molecular Formula	C12H10N2O2

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Thermo Scientific™ Remel™ TB Base Digestant GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Thermo Scientific™ Remel™ TB Base Digestant