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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.
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1 – 15 of 25 results
1

Thermo Scientific Chemicals Bromophenol Blue, ACS

CAS: 115-39-9 Molecular Formula: C19H10Br4O5S Molecular Weight (g/mol): 669.96 MDL Number: MFCD00005875 InChI Key: UDSAIICHUKSCKT-UHFFFAOYSA-N PubChem CID: 8272 ChEBI: CHEBI:59424 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,lambda {6}-benzoxathiol-3-yl]phenol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br

EDGE
PubChem CID 8272
CAS 115-39-9
Molecular Weight (g/mol) 669.96
ChEBI CHEBI:59424
MDL Number MFCD00005875
SMILES C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br
IUPAC Name 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,lambda {6}-benzoxathiol-3-yl]phenol
InChI Key UDSAIICHUKSCKT-UHFFFAOYSA-N
Molecular Formula C19H10Br4O5S
2

Thermo Scientific Chemicals Xylenol Orange, sodium salt, pure, water soluble

CAS: 3618-43-7 Molecular Formula: C31H28N2Na4O13S

EDGE
CAS 3618-43-7
Molecular Formula C31H28N2Na4O13S
3

Thermo Scientific Chemicals Bromophenol Blue

CAS: 115-39-9 Molecular Formula: C19H10Br4O5S Molecular Weight (g/mol): 669.96 MDL Number: MFCD00005875 InChI Key: UDSAIICHUKSCKT-UHFFFAOYSA-N Synonym: Bromphenol Blue PubChem CID: 8272 ChEBI: CHEBI:59424 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br

EDGE
PubChem CID 8272
CAS 115-39-9
Molecular Weight (g/mol) 669.96
ChEBI CHEBI:59424
MDL Number MFCD00005875
SMILES C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br
Synonym Bromphenol Blue
IUPAC Name 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol
InChI Key UDSAIICHUKSCKT-UHFFFAOYSA-N
Molecular Formula C19H10Br4O5S
4

Thermo Scientific Chemicals Rhodamine B

CAS: 81-88-9 Molecular Formula: C28H31ClN2O3 Molecular Weight (g/mol): 479.02 MDL Number: MFCD00011931 InChI Key: PYWVYCXTNDRMGF-UHFFFAOYSA-N PubChem CID: 6694 ChEBI: CHEBI:52334 IUPAC Name: [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride SMILES: [Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC

EDGE
PubChem CID 6694
CAS 81-88-9
Molecular Weight (g/mol) 479.02
ChEBI CHEBI:52334
MDL Number MFCD00011931
SMILES [Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC
IUPAC Name [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride
InChI Key PYWVYCXTNDRMGF-UHFFFAOYSA-N
Molecular Formula C28H31ClN2O3
5

Thermo Scientific Chemicals Rhodamine B, 98+%, pure

CAS: 81-88-9 Molecular Formula: C28H31ClN2O3 Molecular Weight (g/mol): 479.02 MDL Number: MFCD00011931 InChI Key: PYWVYCXTNDRMGF-UHFFFAOYSA-N Synonym: Basic Violet 10,C.I. 45170 PubChem CID: 6694 ChEBI: CHEBI:52334 IUPAC Name: [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride SMILES: [Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC

EDGE
PubChem CID 6694
CAS 81-88-9
Molecular Weight (g/mol) 479.02
ChEBI CHEBI:52334
MDL Number MFCD00011931
SMILES [Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC
Synonym Basic Violet 10,C.I. 45170
IUPAC Name [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride
InChI Key PYWVYCXTNDRMGF-UHFFFAOYSA-N
Molecular Formula C28H31ClN2O3
6

m-Cresol Purple

CAS: 2303-01-7 Molecular Formula: C21H18O5S Molecular Weight (g/mol): 382.43 MDL Number: MFCD00005871 InChI Key: OLQIKGSZDTXODA-UHFFFAOYSA-N Synonym: m-Cresolsulfonephthalein PubChem CID: 73030 IUPAC Name: 4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol SMILES: CC1=C(C=CC(=C1)O)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C=C4)O)C

PubChem CID 73030
CAS 2303-01-7
Molecular Weight (g/mol) 382.43
MDL Number MFCD00005871
SMILES CC1=C(C=CC(=C1)O)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C=C4)O)C
Synonym m-Cresolsulfonephthalein
IUPAC Name 4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol
InChI Key OLQIKGSZDTXODA-UHFFFAOYSA-N
Molecular Formula C21H18O5S
7

Thermo Scientific Chemicals Thymol Blue, pure, indicator

CAS: 76-61-9 Molecular Formula: C27H30O5S Molecular Weight (g/mol): 466.592 MDL Number: MFCD00005869 InChI Key: PRZSXZWFJHEZBJ-UHFFFAOYSA-N Synonym: TB,Thymolsulfonephthalein PubChem CID: 65565 IUPAC Name: 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O

PubChem CID 65565
CAS 76-61-9
Molecular Weight (g/mol) 466.592
MDL Number MFCD00005869
SMILES CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O
Synonym TB,Thymolsulfonephthalein
IUPAC Name 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol
InChI Key PRZSXZWFJHEZBJ-UHFFFAOYSA-N
Molecular Formula C27H30O5S
8

Thermo Scientific Chemicals Cresol Red, pure, Indicator grade

CAS: 1733-12-6 Molecular Formula: C21H18O5S Molecular Weight (g/mol): 382.43 MDL Number: MFCD00005878 InChI Key: OBRMNDMBJQTZHV-UHFFFAOYSA-N PubChem CID: 73013 ChEBI: CHEBI:86218 IUPAC Name: 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-methylphenol SMILES: CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1

PubChem CID 73013
CAS 1733-12-6
Molecular Weight (g/mol) 382.43
ChEBI CHEBI:86218
MDL Number MFCD00005878
SMILES CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1
IUPAC Name 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-methylphenol
InChI Key OBRMNDMBJQTZHV-UHFFFAOYSA-N
Molecular Formula C21H18O5S
9

Thermo Scientific Chemicals Bromocresol Purple, sodium salt, pure, water soluble, indicator

CAS: 62625-30-3 Molecular Formula: C21H15Br2NaO5S Molecular Weight (g/mol): 562.204 MDL Number: MFCD00148896 InChI Key: KVSJYIXUWNOWBD-UGAWPWHASA-M Synonym: BCP,Bromcresol Purple, sodium salt,5';, 5';';-Dibromo-o-cresolsulfonephthalein, sodium salt PubChem CID: 23665568 IUPAC Name: sodium;2-[(E)-(3-bromo-4-hydroxy-5-methylphenyl)-(3-bromo-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate SMILES: CC1=CC(=C(C2=CC=CC=C2S(=O)(=O)[O-])C3=CC(=C(C(=C3)Br)O)C)C=C(C1=O)Br.[Na+]

PubChem CID 23665568
CAS 62625-30-3
Molecular Weight (g/mol) 562.204
MDL Number MFCD00148896
SMILES CC1=CC(=C(C2=CC=CC=C2S(=O)(=O)[O-])C3=CC(=C(C(=C3)Br)O)C)C=C(C1=O)Br.[Na+]
Synonym BCP,Bromcresol Purple, sodium salt,5';, 5';';-Dibromo-o-cresolsulfonephthalein, sodium salt
IUPAC Name sodium;2-[(E)-(3-bromo-4-hydroxy-5-methylphenyl)-(3-bromo-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
InChI Key KVSJYIXUWNOWBD-UGAWPWHASA-M
Molecular Formula C21H15Br2NaO5S
10

Thermo Scientific Chemicals alpha-Naphtholphthalein, pure, indicator

CAS: 596-01-0 Molecular Formula: C28H18O4 Molecular Weight (g/mol): 418.448 MDL Number: MFCD00036202 InChI Key: HQHBAGKIEAOSNM-UHFFFAOYSA-N PubChem CID: 68993 IUPAC Name: 3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one SMILES: C1=CC=C2C(=C1)C(=CC=C2O)C3(C4=CC=CC=C4C(=O)O3)C5=CC=C(C6=CC=CC=C65)O

PubChem CID 68993
CAS 596-01-0
Molecular Weight (g/mol) 418.448
MDL Number MFCD00036202
SMILES C1=CC=C2C(=C1)C(=CC=C2O)C3(C4=CC=CC=C4C(=O)O3)C5=CC=C(C6=CC=CC=C65)O
IUPAC Name 3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one
InChI Key HQHBAGKIEAOSNM-UHFFFAOYSA-N
Molecular Formula C28H18O4
11

Thermo Scientific Chemicals Chlorophenol Red, pure, indicator grade

CAS: 4430-20-0 Molecular Formula: C19H12Cl2O5S Molecular Weight (g/mol): 423.26 MDL Number: MFCD00005877 InChI Key: WWAABJGNHFGXSJ-UHFFFAOYSA-N Synonym: CPR,3', 3''-Dichlorophenylsulfonphthalein PubChem CID: 20486 IUPAC Name: 2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: OC1=CC=C(C=C1Cl)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(Cl)=C1

PubChem CID 20486
CAS 4430-20-0
Molecular Weight (g/mol) 423.26
MDL Number MFCD00005877
SMILES OC1=CC=C(C=C1Cl)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(Cl)=C1
Synonym CPR,3', 3''-Dichlorophenylsulfonphthalein
IUPAC Name 2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol
InChI Key WWAABJGNHFGXSJ-UHFFFAOYSA-N
Molecular Formula C19H12Cl2O5S
12

Thermo Scientific Chemicals o-Cresolphthalein Complexone, pure

CAS: 2411-89-4 Molecular Formula: C32H32N2O12 Molecular Weight (g/mol): 636.61 MDL Number: MFCD00005911 InChI Key: IYZPEGVSBUNMBE-UHFFFAOYSA-N Synonym: o-Cresolphthalexon,Phthalein Complexon PubChem CID: 75485 IUPAC Name: 2-[({5-[1-(3-{[bis(carboxymethyl)amino]methyl}-4-hydroxy-5-methylphenyl)-3-oxo-1,3-dihydro-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl}methyl)(carboxymethyl)amino]acetic acid SMILES: CC1=CC(=CC(CN(CC(O)=O)CC(O)=O)=C1O)C1(OC(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(CN(CC(O)=O)CC(O)=O)=C1

PubChem CID 75485
CAS 2411-89-4
Molecular Weight (g/mol) 636.61
MDL Number MFCD00005911
SMILES CC1=CC(=CC(CN(CC(O)=O)CC(O)=O)=C1O)C1(OC(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(CN(CC(O)=O)CC(O)=O)=C1
Synonym o-Cresolphthalexon,Phthalein Complexon
IUPAC Name 2-[({5-[1-(3-{[bis(carboxymethyl)amino]methyl}-4-hydroxy-5-methylphenyl)-3-oxo-1,3-dihydro-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl}methyl)(carboxymethyl)amino]acetic acid
InChI Key IYZPEGVSBUNMBE-UHFFFAOYSA-N
Molecular Formula C32H32N2O12
13

Thermo Scientific Chemicals Chlorophenol Red, sodium salt, pure, water soluble

CAS: 123333-64-2 Molecular Formula: C19H11Cl2O5S Molecular Weight (g/mol): 422.25 MDL Number: MFCD00151199 InChI Key: QXTPRQZMDKBTAI-UNOMPAQXSA-M Synonym: 3', 3''-Dichlorophenolsulfonephthalein, sodium salt PubChem CID: 131846007 SMILES: OC1=CC=C(C=C1Cl)C(=C1/C=CC(=O)C(Cl)=C1)\C1=CC=CC=C1S([O-])(=O)=O

PubChem CID 131846007
CAS 123333-64-2
Molecular Weight (g/mol) 422.25
MDL Number MFCD00151199
SMILES OC1=CC=C(C=C1Cl)C(=C1/C=CC(=O)C(Cl)=C1)\C1=CC=CC=C1S([O-])(=O)=O
Synonym 3', 3''-Dichlorophenolsulfonephthalein, sodium salt
InChI Key QXTPRQZMDKBTAI-UNOMPAQXSA-M
Molecular Formula C19H11Cl2O5S
14

Thermo Scientific Chemicals Rhodamine B, pure

CAS: 81-88-9 Molecular Formula: C28H31ClN2O3 Molecular Weight (g/mol): 479.02 MDL Number: MFCD00011931 InChI Key: PYWVYCXTNDRMGF-UHFFFAOYSA-N Synonym: Basic Violet 10,C.I. 45170 PubChem CID: 6694 ChEBI: CHEBI:52334 IUPAC Name: [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride SMILES: [Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC

PubChem CID 6694
CAS 81-88-9
Molecular Weight (g/mol) 479.02
ChEBI CHEBI:52334
MDL Number MFCD00011931
SMILES [Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC
Synonym Basic Violet 10,C.I. 45170
IUPAC Name [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride
InChI Key PYWVYCXTNDRMGF-UHFFFAOYSA-N
Molecular Formula C28H31ClN2O3
15

Thermo Scientific Chemicals 2',7'-Dichlorofluorescein, pure

CAS: 76-54-0 Molecular Formula: C20H10Cl2O5 Molecular Weight (g/mol): 401.195 MDL Number: MFCD00005047 InChI Key: VFNKZQNIXUFLBC-UHFFFAOYSA-N Synonym: 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one 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

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
Synonym 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one
IUPAC Name 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key VFNKZQNIXUFLBC-UHFFFAOYSA-N
Molecular Formula C20H10Cl2O5