Staining Reagents
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Sigma Diagnostics™ Bouin's Solution
Fixative for preserving soft and delicate structures
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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| Format | Solution |
|---|---|
| Color | Yellow |
| Synonym | Bouin’s fluid |
| For Use With (Application) | Used as a mordant in various trichrome procedures |
Sigma Diagnostics™ Eosin Y Solution, alcoholic
General-purpose cytoplasmic counterstain
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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| Format | Solution |
|---|---|
| Color | Bright Pink to Pinkish-Orange |
| Shelf Life | Expiry date on the label |
| For Use With (Application) | Used with hematoxylin and eosin staining |
Sigma Diagnostics™ Carbol-fuchsin solution
Used to demonstrate Mycobacterium tuberculosis in tissue sections and on smears
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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| Format | Solution |
|---|---|
| Color | Dark Red Purple with Metallic Sheen |
| Storage Requirements | 18–26°C |
| For Use With (Application) | For use in the Acid Fast Stain, Procedure No. HT80 with Malachite Green counterstain Catalog No. HT80-2 |
Sigma Diagnostics™ Phosphate buffer pH 7.2 at 25°C
For use as a buffer in various Romanowsky type staining procedures
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Fisher Science Education™ Rose Bengal Solution
Science Education
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A science education product.
CAS: 632-69-9 Molecular Formula: C20H4Cl4I4Na2O5 Molecular Weight (g/mol): 1019.644 InChI Key: DPBQSRZQYAYDGY-UHFFFAOYSA-N Synonym: Acid Red 94,C.I. 45440 PubChem CID: 87244310 IUPAC Name: sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]
| PubChem CID | 87244310 |
|---|---|
| CAS | 632-69-9 |
| Molecular Weight (g/mol) | 1019.644 |
| SMILES | C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na] |
| Synonym | Acid Red 94,C.I. 45440 |
| IUPAC Name | sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one |
| InChI Key | DPBQSRZQYAYDGY-UHFFFAOYSA-N |
| Molecular Formula | C20H4Cl4I4Na2O5 |
Fisher Science Education™ Indicator Solution, Universal
Science Education
A science education product.
A science education product.
| CAS | 518-51-4 |
|---|---|
| Color | Green |
| DOT Information | DOT Class 3, II, : Flammable Liquid |
| Chemical Name or Material | Universal Indicator Solution |
| Synonym | Universal pH Indicator |
| Shelf Life | 18 months |
| ChemAlert Storage Symbol | Red |
| Assay Percent Range | <0.2% w/v |
Fisher Science Education™ Fuchsin Acid Staining Solution, 1%
Science Education
A science education product.
A science education product.
Fisher Science Education™ Indigo Carmine
Science Education
A science education product.
A science education product.
CAS: 860-22-0 Molecular Formula: C16H8N2Na2O8S2 Molecular Weight (g/mol): 466.35 MDL Number: MFCD00005723 InChI Key: KHLVKKOJDHCJMG-QDBORUFSSA-L Synonym: Carmine Blue (Biological Stain),C.I. 73015 PubChem CID: 5284351 IUPAC Name: disodium (E)-3,3'-dioxo-1H,1'H,3H,3'H-[2,2'-biindolylidene]-5,5'-disulfonate SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2N\C(C(=O)C2=C1)=C1\NC2=CC=C(C=C2C1=O)S([O-])(=O)=O
| PubChem CID | 5284351 |
|---|---|
| CAS | 860-22-0 |
| Molecular Weight (g/mol) | 466.35 |
| MDL Number | MFCD00005723 |
| SMILES | [Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2N\C(C(=O)C2=C1)=C1\NC2=CC=C(C=C2C1=O)S([O-])(=O)=O |
| Synonym | Carmine Blue (Biological Stain),C.I. 73015 |
| IUPAC Name | disodium (E)-3,3'-dioxo-1H,1'H,3H,3'H-[2,2'-biindolylidene]-5,5'-disulfonate |
| InChI Key | KHLVKKOJDHCJMG-QDBORUFSSA-L |
| Molecular Formula | C16H8N2Na2O8S2 |
Fisher Science Education™ Phenol Red Indicator, ACS Grade
Science Education
A science education product.
A science education product.
CAS: 34487-61-1 Molecular Formula: C19H13NaO5S Molecular Weight (g/mol): 376.358 InChI Key: HKHYOKBQJILTEI-UHFFFAOYSA-M Synonym: Phenolsulfonephthalein Sodium PubChem CID: 23686673 IUPAC Name: sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]
| PubChem CID | 23686673 |
|---|---|
| CAS | 34487-61-1 |
| Molecular Weight (g/mol) | 376.358 |
| SMILES | C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+] |
| Synonym | Phenolsulfonephthalein Sodium |
| IUPAC Name | sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate |
| InChI Key | HKHYOKBQJILTEI-UHFFFAOYSA-M |
| Molecular Formula | C19H13NaO5S |
Fisher Science Education™ Resazurin
Science Education
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CAS: 62758-13-8 Molecular Formula: C12H6NNaO4 Molecular Weight (g/mol): 251.173 InChI Key: IVGPGQSSDLDOLH-UHFFFAOYSA-M Synonym: Biological Stain/Indicator,7-Hydroxy-3H-phenoxazin-3-one 10-oxide, sodium salt PubChem CID: 112939 IUPAC Name: sodium;10-oxido-7-oxophenoxazin-10-ium-3-olate SMILES: C1=CC2=C(C=C1[O-])OC3=CC(=O)C=CC3=[N+]2[O-].[Na+]
| PubChem CID | 112939 |
|---|---|
| CAS | 62758-13-8 |
| Molecular Weight (g/mol) | 251.173 |
| SMILES | C1=CC2=C(C=C1[O-])OC3=CC(=O)C=CC3=[N+]2[O-].[Na+] |
| Synonym | Biological Stain/Indicator,7-Hydroxy-3H-phenoxazin-3-one 10-oxide, sodium salt |
| IUPAC Name | sodium;10-oxido-7-oxophenoxazin-10-ium-3-olate |
| InChI Key | IVGPGQSSDLDOLH-UHFFFAOYSA-M |
| Molecular Formula | C12H6NNaO4 |
Fisher Science Education™ Carmine
Science Education
A science education product.
A science education product.
CAS: 1390-65-4 Molecular Formula: C22H20O13 Molecular Weight (g/mol): 492.39 MDL Number: MFCD00167028 InChI Key: DGQLVPJVXFOQEV-UHFFFAOYNA-N Synonym: Aluminum Lake PubChem CID: 25113282 IUPAC Name: 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-9,10-dihydroanthracene-2-carboxylic acid SMILES: CC1=C(C(O)=O)C(O)=CC2=C1C(=O)C1=C(O)C(C3OC(CO)C(O)C(O)C3O)=C(O)C(O)=C1C2=O
| PubChem CID | 25113282 |
|---|---|
| CAS | 1390-65-4 |
| Molecular Weight (g/mol) | 492.39 |
| MDL Number | MFCD00167028 |
| SMILES | CC1=C(C(O)=O)C(O)=CC2=C1C(=O)C1=C(O)C(C3OC(CO)C(O)C(O)C3O)=C(O)C(O)=C1C2=O |
| Synonym | Aluminum Lake |
| IUPAC Name | 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-9,10-dihydroanthracene-2-carboxylic acid |
| InChI Key | DGQLVPJVXFOQEV-UHFFFAOYNA-N |
| Molecular Formula | C22H20O13 |
Fisher Science Education™ Ninhydrin
Science Education
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CAS: 485-47-2 Molecular Formula: C9H6O4 Molecular Weight (g/mol): 178.143 InChI Key: FEMOMIGRRWSMCU-UHFFFAOYSA-N Synonym: 1, 2, 3 -Indantrione Monohydrate,Ninhydrin Hydrate PubChem CID: 10236 ChEBI: CHEBI:86374 IUPAC Name: 2,2-dihydroxyindene-1,3-dione SMILES: C1=CC=C2C(=C1)C(=O)C(C2=O)(O)O
| PubChem CID | 10236 |
|---|---|
| CAS | 485-47-2 |
| Molecular Weight (g/mol) | 178.143 |
| ChEBI | CHEBI:86374 |
| SMILES | C1=CC=C2C(=C1)C(=O)C(C2=O)(O)O |
| Synonym | 1, 2, 3 -Indantrione Monohydrate,Ninhydrin Hydrate |
| IUPAC Name | 2,2-dihydroxyindene-1,3-dione |
| InChI Key | FEMOMIGRRWSMCU-UHFFFAOYSA-N |
| Molecular Formula | C9H6O4 |
Fisher Science Education™ Bromothymol Blue, Sodium Salt
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A science education product.
CAS: 34722-90-2 Molecular Formula: C27H27Br2NaO5S Molecular Weight (g/mol): 646.37 MDL Number: MFCD00077263,MFCD00077263,MFCD00077263 InChI Key: NMKFVGALBGZKGW-FKWCIMQXSA-M PubChem CID: 102183223 IUPAC Name: sodium 2-{[(1Z)-3-bromo-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene][3-bromo-4-hydroxy-2-methyl-5-(propan-2-yl)phenyl]methyl}benzene-1-sulfonate SMILES: [Na+].CC(C)C1=CC(\C(C2=CC=CC=C2S([O-])(=O)=O)=C2/C=C(C(C)C)C(=O)C(Br)=C2C)=C(C)C(Br)=C1O
| PubChem CID | 102183223 |
|---|---|
| CAS | 34722-90-2 |
| Molecular Weight (g/mol) | 646.37 |
| MDL Number | MFCD00077263,MFCD00077263,MFCD00077263 |
| SMILES | [Na+].CC(C)C1=CC(\C(C2=CC=CC=C2S([O-])(=O)=O)=C2/C=C(C(C)C)C(=O)C(Br)=C2C)=C(C)C(Br)=C1O |
| IUPAC Name | sodium 2-{[(1Z)-3-bromo-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene][3-bromo-4-hydroxy-2-methyl-5-(propan-2-yl)phenyl]methyl}benzene-1-sulfonate |
| InChI Key | NMKFVGALBGZKGW-FKWCIMQXSA-M |
| Molecular Formula | C27H27Br2NaO5S |
Fisher Science Education™ Fluorescein, Disodium Salt
Science Education
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CAS: 518-47-8 Molecular Formula: C20H10Na2O5 Molecular Weight (g/mol): 376.28 MDL Number: MFCD00167039 InChI Key: NJDNXYGOVLYJHP-UHFFFAOYSA-L Synonym: Uranin,Disodium Salt IUPAC Name: disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate SMILES: [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C12
| CAS | 518-47-8 |
|---|---|
| Molecular Weight (g/mol) | 376.28 |
| MDL Number | MFCD00167039 |
| SMILES | [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C12 |
| Synonym | Uranin,Disodium Salt |
| IUPAC Name | disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate |
| InChI Key | NJDNXYGOVLYJHP-UHFFFAOYSA-L |
| Molecular Formula | C20H10Na2O5 |
Fisher Science Education™ Methyl Red Indicator
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CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.286 InChI Key: GNTPCYMJCJNRQB-UHFFFAOYSA-M Synonym: Sodium Salt,Methyl Red In Alcohol 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+]
| PubChem CID | 4465632 |
|---|---|
| CAS | 845-10-3 |
| Molecular Weight (g/mol) | 291.286 |
| SMILES | CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+] |
| Synonym | Sodium Salt,Methyl Red In Alcohol |
| IUPAC Name | sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate |
| InChI Key | GNTPCYMJCJNRQB-UHFFFAOYSA-M |
| Molecular Formula | C15H14N3NaO2 |