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2,7-Naphthalenedisulfonic acid 2,7-Naphthalenedisulfonic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: naphthalene-2,7-disulfonic acid;2,7-NAPHTHALENE DISULFONIC ACID;naphthalene-2,7-disulphonic acid;3,6-Naphthalenedisulfonic acid;Ebert-Merz α-acid. Product Category: Heterocyclic Organic Compound. CAS No. 92-41-1. Molecular formula: C10H8O6S2. Mole weight: 288.3. Purity: PRACTICAL. Product ID: ACM92411. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((4-sulfophenyl)azo)-, trisodium salt 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((4-sulfophenyl)azo)-, trisodium salt. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 1-p-Sulfophenylazo-2-naphthol-3,6-disulfonic acid, trisodium salt. CAS No. 50880-65-4. Molecular formula: C16H9N2Na3O10S3. Mole weight: 554.4. Purity: 0.95. Product ID: ACM50880654. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry.
2,7-Naphthalenedisulfonic acid disodium salt 2,7-Naphthalenedisulfonic acid disodium salt. Group: Biochemicals. Grades: Highly Purified. CAS No. 1655-35-2. Pack Sizes: 250g, 500g. US Biological Life Sciences. USBiological 8
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2,7-Naphthalenedisulfonicacid,3-[2-(4-aminophenyl)diazenyl]-4,5-dihydroxy-,sodium salt(1:2) 2,7-Naphthalenedisulfonicacid,3-[2-(4-aminophenyl)diazenyl]-4,5-dihydroxy-,sodium salt(1:2). Uses: Designed for use in research and industrial production. Additional or Alternative Names: Acid Violet, Erio Violet B, Acid Violet EB, Kiton Violet 3B, Acid Violet 3, Acid Violet 4BS, Wool Violet 4BS, Azoic Violet 4BS, Kiton Violet 4BS, Acilan Violet 4BS, Hispacid Violet 4B, Merantine Violet AV, Calcocid Violet 4BS, Victoria Violet 4BS, Victoria Violet 7BS, Azo Wool Violet 4B, Tertracid Violet 4BS, Pontacyl Violet 4BSN, C.I. Acid Violet 3, Acid Leather Violet 4BS. Product Category: Heterocyclic Organic Compound. CAS No. 1681-60-3. Molecular formula: C16H13N3O8S2.2Na. Mole weight: 483.3834. Purity: 0.96. IUPACName: sodium 3-[(4-aminophenyl)hydrazinylidene]-5-hydroxy-4-oxonaphthalene-2,7-disulfonic acid. Product ID: ACM1681603. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
2,7-Naphthalenedisulfonicacid,3-hydroxy-4-[2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]-,sodium salt(1:3) 2,7-Naphthalenedisulfonicacid,3-hydroxy-4-[2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]-,sodium salt(1:3). Uses: Designed for use in research and industrial production. Additional or Alternative Names: Hydroxynaphthol blue, 33936_RIEDEL, EINECS 264-197-7, 1,1-Azonaphthalene, 2,2-dihydroxy-3,3,6-trisulfonic acid-, trisodium salt, 1-(2-Hydroxy-4-sulfo-1-naphthylazo)-2-naphthol-3,6-disulfonic acid trisodium salt, 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2,7-disulfonic acid trisodium salt, Trisodium 3-hydroxy-4-((2-hydroxy-4-sulphonato-1-naphthyl)azo)naphthalene-2,7-disulphonate, 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((2-hydroxy-4-sulfo-1-naphthalenyl)azo)-, trisodium salt, 63451-35-4. Product Category: Heterocyclic Organic Compound. Appearance: gray to purple solid. CAS No. 63451-35-4. Molecular formula: C20H14N2O11S3.3Na. Mole weight: 620.4724. Purity: 0.96. IUPACName: trisodium 3-hydroxy-4-[(2Z)-2-(2-oxo-4-sulfonatonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonate. Canonical SMILES: C1=CC=C2C(=C1)C(=CC(=O)C2=NNC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]. ECNumber: 264-197-7. Product ID: ACM63451354. Alfa Chemistry — ISO 9001:2015 Certified. Categories: DTXSID8069852. Alfa Chemistry. 3
2,7-Naphthalenedisulfonicacid,3-hydroxy-4-[2-[4-[[4-[[4-[2-(1-hydroxy-4-sulfo-2-naphthalenyl)diazenyl]benzoyl]amino]phenyl]thio]phenyl]diazenyl]-,sodium salt(1:3) 2,7-Naphthalenedisulfonicacid,3-hydroxy-4-[2-[4-[[4-[[4-[2-(1-hydroxy-4-sulfo-2-naphthalenyl)diazenyl]benzoyl]amino]phenyl]thio]phenyl]diazenyl]-,sodium salt(1:3). Uses: Designed for use in research and industrial production. Additional or Alternative Names: NSC65858, AIDS125219, AIDS-125219, NSC 65858, CID9571185, 3-Hydroxy-4-((4-((4-((4-((1-hydroxy-4-sulfo-2-naphthyl)diazenyl)benzoyl)amino)phenyl)thio)phenyl)diazenyl)-2,7-naphthalenedisulfonic acid, 7354-85-0. Product Category: Heterocyclic Organic Compound. CAS No. 7354-85-0. Molecular formula: C39H27N5O12S4.3Na. Mole weight: 885.918. Purity: 0.96. IUPACName: (4E)-3-oxo-4-[[4-[4-[[4-[(2E)-2-(1-oxo-4-sulfonaphthalen-2-ylidene)hydrazinyl]benzoyl]amino]phenyl]sulfanylphenyl]hydrazinylidene]naphthalene-2,7-disulfonic acid. Canonical SMILES: C1=CC=C2C(=C1)C(=CC(=NNC3=CC=C(C=C3)C(=O)NC4=CC=C(C=C4)SC5=CC=C(C=C5)NN=C6C7=C(C=C(C=C7)S(=O)(=O)O)C=C(C6=O)S(=O)(=O)O)C2=O)S(=O)(=O)O. Density: 1.63g/cm³. Product ID: ACM7354850. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
2,7-Naphthalenedisulfonicacid,4-(benzoylamino)-5-hydroxy- 2,7-Naphthalenedisulfonicacid,4-(benzoylamino)-5-hydroxy-. Uses: Designed for use in research and industrial production. Additional or Alternative Names: N-BENZOYL H ACID;4-(benzoylamino)-5-hydroxy-7-naphthalenedisulfonicacid;4-(benzoylamino)-5-hydroxynaphthalene-2,7-disulphonic acid;4-formamido-5-hydroxynaphthalene-2,7-disulfonic acid;4-Benzamido-5-hydroxy-2,7-naphthalenedisulfonic acid;5-Hydroxy-4-(benz. Product Category: Heterocyclic Organic Compound. CAS No. 117-46-4. Molecular formula: C17H13NO8S2. Mole weight: 423.42. Purity: 0.8. IUPACName: 4-(benzoylamino)-5-hydroxynaphthalene-2,7-disulfonic acid. Canonical SMILES: C1=CC=C(C=C1)C(=O)NC2=C3C(=CC(=C2)S(=O)(=O)O)C=C(C=C3O)S(=O)(=O)O. Density: 1.718g/cm³. ECNumber: 204-192-9. Product ID: ACM117464. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
3-Hydroxy-4[2-sulfo-4- (4-sulfophenylazo) phenylazo]-2, 7-naphthalenedisulfonic acid tetrasodium salt 3-Hydroxy-4[2-sulfo-4- (4-sulfophenylazo) phenylazo]-2, 7-naphthalenedisulfonic acid tetrasodium salt. Group: Biochemicals. Alternative Names: Ponceau S; CI 27195. Grades: Highly Purified. CAS No. 6226-79-5. Pack Sizes: 250g, 500g, 1kg. US Biological Life Sciences. USBiological 7
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4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 90-20-0. Pack Sizes: 25g, 50g, 100g. US Biological Life Sciences. USBiological 6
Worldwide
4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt mixt. with 4-[(2-hydroxy-1-naphthalenyl)azo]benzenesulfonic acid monosodium salt 4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt mixt. with 4-[(2-hydroxy-1-naphthalenyl)azo]benzenesulfonic acid monosodium salt. Uses: Designed for use in research and industrial production. Product Category: Acid Dyes. CAS No. 167954-13-4. Product ID: ACM167954134. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry.
Aluminum, 3-hydroxy-4-[(4-sulfo-1-naphthalenyl)azo]-2,7-naphthalenedisulfonic acid complex Aluminum, 3-hydroxy-4-[(4-sulfo-1-naphthalenyl)azo]-2,7-naphthalenedisulfonic acid complex. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Aluminum, 3-hydroxy-4-[(4-sulfo-1-naphthalenyl)azo]-2,7-naphthalenedisulfonic acid complex;ACID RED 27 ALUMINUM LAKE;AKA2;Food Red 9:1;C.I. Pigment Red 193;Acid red 27 aluminum lake (C.I. 16185:1);C.I. Food Red 9:1. Product Category: Heterocyclic Organic Compound. CAS No. 12227-62-2. Product ID: ACM12227622. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 1-AMINO-8-NAPHTHOL-3,6-DISULFONIC ACID;4-AMINO-5-HYDROXY-2,7-NAPTHALENEDISULFONIC ACID;4-AMINO-5-HYDROXY-2,7-NAPHTHALENEDISULFONIC ACID;8-AMINO-1-NAPHTHOL-3,6-DISULFONIC ACID;1-Amino-8-naphthol-3,6-disulphonicacid;1-Naphthol-8-amino-3,6-disulfonicacid;4-. Product Category: Heterocyclic Organic Compound. Appearance: White to gray-yellow powder. CAS No. 90-20-0. Molecular formula: C10H9NO7S2. Mole weight: 319.31. Purity: 0.96. IUPACName: 4-amino-5-hydroxynaphthalene-2,7-disulfonic acid. Density: 1.88 g/cm³. Product ID: ACM90200. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
1-Naphthylamine-3,6-disulfonic acid 1-Naphthylamine-3,6-disulfonic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 1-Naphthylamine-3,6-Disulfonic Acid;1-Aminonaphthalene-3,6-bissulfonic acid;4-Amino-2,7-naphthalenedisulfonic acid;Freund acid;Freund's acid;2,7-Naphthalenedisulfonic acid, 4-amino-;Einecs 228-372-1. Product Category: Heterocyclic Organic Compound. CAS No. 6251-7-6. Molecular formula: C10H9NO6S2. Mole weight: 303.31156. Product ID: ACM6251076. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
4-Amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonic acid 4-Amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Direct Black 178;4-Amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid. Product Category: Heterocyclic Organic Compound. CAS No. 37405-95-1. Molecular formula: C35H28N10O8S2. Product ID: ACM37405951. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulfonic acid 4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulfonic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Kayaku Acid Blue Black 10B, 1064-48-8 (Parent), EINECS 221-501-2, CID5493736, 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-((4-nitrophenyl)azo)-6-(phenylazo)-, 4-Amino-5-hydroxy-3-((4-nitrophenyl)azo)-6-(phenylazo)naphthalene-2,7-disulphonic acid, 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-(2-(4-nitrophenyl)diazenyl)-6-(2-phenyldiazenyl)-, 3121-74-2. Product Category: Heterocyclic Organic Compound. CAS No. 3121-74-2. Molecular formula: C31H50O48. Mole weight: 572.527240 [g/mol]. Purity: 0.96. IUPACName: (6E)-4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonic acid. Product ID: ACM3121742. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
5-(Acetamido)-4-hydroxy-3-[[4-[[[3-[[2-(sulphooxy)ethyl]sulphonyl]phenyl]amino]carbonyl]phenyl]azo]naphthalene-2,7-disulphonic acid,sodium salt 5-(Acetamido)-4-hydroxy-3-[[4-[[[3-[[2-(sulphooxy)ethyl]sulphonyl]phenyl]amino]carbonyl]phenyl]azo]naphthalene-2,7-disulphonic acid,sodium salt. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 5-(acetamido)-4-hydroxy-3-[[4-[[[3-[[2-(sulphooxy)ethyl]sulphonyl]phenyl]amino]carbonyl]phenyl]azo]naphthalene-2,7-disulphonic acid, sodium salt;2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-4-hydroxy- 3-[[4-[[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]ami. Product Category: Heterocyclic Organic Compound. CAS No. 85940-66-5. Molecular formula: C27H21N4Na3O15S4. Mole weight: 838.70275. Purity: 0.96. IUPACName: trisodium (3Z)-5-acetamido-4-oxo-3-[[4-[[3-(2-sulfonatooxyethylsulfonyl)phenyl]carbamoyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate. Canonical SMILES: CC(=O)NC1=C2C(=CC(=C1)S(=O)(=O)[O-])C=C(C(=NNC3=CC=C(C=C3)C(=O)NC4=CC(=CC=C4)S(=O)(=O)CCOS(=O)(=O)[O-])C2=O)S(=O)(=O)[O-].[Na+].[Na+].[Na+]. ECNumber: 288-954-6. Product ID: ACM85940665. Alfa Chemistry — ISO 9001:2015 Certified. Categories: EINECS 288-954-6. Alfa Chemistry. 4
Acid Black 1 Acid Black 1. Uses: Designed for use in research and industrial production. Additional or Alternative Names: C.I. Acid Black 1;CI 20470;2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-((4-nitrophenyl)azo)-6-(phenylazo)-, disodium salt;D&C Black 1. Product Category: Acid Dyes. CAS No. 1064-48-8. Molecular formula: C22H14N6Na2O9S2. Mole weight: 616.49. Product ID: ACM1064488. Alfa Chemistry — ISO 9001:2015 Certified. Categories: Acid Black Cherry. Alfa Chemistry. 2
Acid Black 210 Acid Black 210. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2,7-Naphthalenedisulfonic acid, 4-amino-6-4-4-(2,4-diaminophenyl)azophenylaminosulfonylphenylazo-5-hydroxy-3-(4-nitrophenyl)azo-, dipotassium salt;C.I. Acid black 210;4-Amino-6-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]sulfonyl]phenyl]azo]-5-hydroxy-. Product Category: Acid Dyes. CAS No. 99576-15-5. Molecular formula: C34H25K2N11O11S3. Mole weight: 938.02. Product ID: ACM99576155. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 2
Acid Black 234 Acid Black 234 is a water-soluble azo dye that belongs to the family of synthetic dyes. It is widely used in the textile, leather, and paper industries for dyeing and printing purposes. AB234 is also used as a pH indicator, inks, and colorants in cosmetics, food, and pharmaceutical products. Uses: Acid black 234 has been extensively studied for its potential applications in various scientific fields. in the field of environmental science, acid black 234 is used as a tracer dye to study the transport and fate of pollutants in soil and water. acid black 234 is also used in the field of biotechnology as a substrate for the detection of enzyme activity. in the field of medicine, acid black 234. Additional or Alternative Names: 4-Amino-3-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]sulfonyl]amino]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-2,7-naphthalenedisulfonic acid sodium salt;Acid Black 234;C.I. 30027;Black NB;2, 7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[4-[. Product Category: Acid Dyes. Appearance: Black Powder. CAS No. 157577-99-6. Molecular formula: C34H26N10Na2O9S3. Mole weight: 860.8. IUPACName: disodium;4-amino-3-[[4-[[4-[(2,4-diaminophenyl)diazenyl]phenyl]sulfonylamino]phenyl]diazenyl]-5-hydroxy-6-phenyldiazenylnaphthalene-2,7-disulfonate. Canonical SMILES: C1=CC=C(C=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC4=CC=C(C=C4)NS(=O)(=O)C5=CC=C(C=C5)N=NC6=C(C=C(C=C6)N)N)N)O.[Na+].[Na+]. Pro… Alfa Chemistry.
Acid black 41 Acid Black 41, also known as C.I. Acid Black 41 or Acid Black B, is a synthetic dye that belongs to the Acid Dye class. It is a black-colored dye that is used for various applications. Uses: Acid dyes are water-soluble anionic dyes commonly used for dyeing protein fibers such as silk, wool, and nylon, as well as other materials like leather and synthetic fibers. Additional or Alternative Names: trisodium,(6E)-4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2,7-disulfonate; 2,7-Naphthalenedisulfonic acid,4-amino-5-hydroxy-3-(2-(4-nitrophenyl)diazenyl)-6-(2-(4-sulfophenyl)diazenyl)-,sodium salt (1:3); Tr. Product Category: Heterocyclic Organic Compound. Appearance: Powder. CAS No. 5850-37-3. Molecular formula: C22H13N6Na3O12S3. Mole weight: 718.53593. Purity: 0.96. IUPACName: trisodium (6E)-4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2,7-disulfonate. ECNumber: 227-450-2. Product ID: ACM5850373. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry.
Acid Red 1 Acid Red 1. Group: Biochemicals. Alternative Names: 1379 Red; Acetyl Red G; Acetyl Red J; Acetyl Rose 2GL; Acid Bright Red; Acid Brilliant Fuchsine 2G; Acid Brilliant Red; Acid Fast Red 3G; Acid Fast Red EG; Acid Fast Red EGG; Acid Geranine 2G; Acid Geranine 2GN; Acid Leather Red KG; Acid Naftol Red G; Acid Naphthol Red G; Acid Phloxine GA; Acid Red 1; Acid Red 2G; Acid Red G; Acid Red GA; Acid Red GN; Acid Red Geramine G; Acid Rose 2GL; Acidal Brilliant Red 2G; Acidine Red G; Acilan Naphthol Red G; Ahcocid Carmine 2G; Amacid Phloxine G; Amacid Phloxine G Conc; Amecid Floxine 2GN; Amido Naphthol Red 2G; Amido Naphthol Red G; Amido Naphthol Red GA; Amido Red 2G; Atul Acid Geranine G; Azo...iton Red G; Leather Red G; Lignin Pink; Lissamine Red 2G; Monacid Red 2G; Multacid Red G; Multicuer Red G; Naphthazine Rose 2G; Naphtocard Red 2G; Neolan Red E 2GN; Phloxine 2G; Phloxine G; Pontacyl Carmine 2G; Ravi Acid Red AG; Red 2G; Ritacid Red S; Sandolan Rhodine E 2GL; Sandolan Rhodine E 2GLI; Solar Fast Red 3G; Triacid Amidonaphthol Red G; Triacid Light Red G; Unitertracid Red 2G; Vibra Color Red ARE 1; Vondacid Light Red NG; Water Red 177614; 5-(Acetylamino)-4-hydroxy-3-(2-phenyldiazenyl)-2,7-naphthalenedisulfonic Acid Sodium Salt. Grades: Highly Purified. CAS No. 3734-67-6. Pack Sizes: 5g. Molecular Formula: C18H13N3NaO8S2, Molecular Weight: 509.42. US Biological Life Sciences. USBiological 3
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ACID RED 106 ACID RED 106. Uses: Designed for use in research and industrial production. Additional or Alternative Names: c.i.acidred106;CI 18110;ACID RED 106;Acid Red 106 (18110);Acid Red 106 (C.I.);disodium 4-hydroxy-3-phenylazo-5-((p-tolyl)sulphonylamino)naphthalene-2,7-disulphonate;2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-(4-methylphenyl)sulfonylamino-3-(phenylazo)-. Product Category: Acid Dyes. CAS No. 6844-74-2. Molecular formula: C23H19N3O9S3.2Na. Mole weight: 621.57. Product ID: ACM6844742. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 2
Acid Red 111 Acid Red 111. Uses: Designed for use in research and industrial production. Additional or Alternative Names: ACID RED 111;C.I. 23266;disodium 3-[[2,2'-dimethyl-4'-[[4-[[(p-tolyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate;2,7-Naphthalenedisulfonic acid, 3-2,2-dimethyl-4-4-(4-methylphenyl)sulfonyloxyphenylazo1,1-biphe. Product Category: Acid Dyes. CAS No. 6358-57-2. Molecular formula: C37H28N4Na2O10S3. Mole weight: 830.81. Product ID: ACM6358572. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 2
ACID RED 8 ACID RED 8. Uses: Designed for use in research and industrial production. Additional or Alternative Names: C.I. Acid Red 8, disodium salt, EINECS 225-337-2, CID6537737, Disodium 3-((2,4-dimethylphenyl)azo)-4-hydroxynaphthalene-2,7-disulphonate, 2,7-Naphthalenedisulfonic acid, 3-((2,4-dimethylphenyl)azo)-4-hydroxy-, disodium salt, 4787-93-3. Product Category: Acid Dyes. CAS No. 4787-93-3. Molecular formula: C18H14N2Na2O7S2. Mole weight: 480.42. Purity: 0.96. IUPACName: disodium (3Z)-3-[(2,4-dimethylphenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate. Canonical SMILES: CC1=CC(=C(C=C1)NN=C2C(=CC3=C(C2=O)C=CC(=C3)S(=O)(=O)[O-])S(=O)(=O)[O-])C.[Na+].[Na+]. ECNumber: 225-337-2. Product ID: ACM4787933. Alfa Chemistry — ISO 9001:2015 Certified. Categories: Acid red 88. Alfa Chemistry. 2
ACID VIOLET 5 ACID VIOLET 5. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Acid Violet 5, 10130-48-0, C.I. Acid violet 5, disodium salt, 210803_ALDRICH, EINECS 233-366-7, 2,7-Naphthalenedisulfonic acid, 3-((4-(acetylamino)phenyl)azo)-4-hydroxy-5-(((4-methylphenyl)sulfonyl)amino)-, disodium salt, Disodium 3-((4-(acetylamino)phenyl)azo)-4-hydroxy-5-(((p-tolyl)sulphonyl)amino)naphthalene-2,7-disulphonate. Product Category: Acid Dyes. CAS No. 10130-48-0. Molecular formula: C25H22N4O10S3.2Na. Mole weight: 678.62164. Purity: 0.96. IUPACName: disodium;(3E)-3-[(4-acetamidophenyl)hydrazinylidene]-5-[(4-methylphenyl)sulfonylamino]-4-oxonaphthalene-2,7-disulfonate. Canonical SMILES: CC1=CC=C(C=C1)S(=O)(=O)NC2=C3C(=CC(=C2)S(=O)(=O)[O-])C=C(C(=NNC4=CC=C(C=C4)NC(=O)C)C3=O)S(=O)(=O)[O-].[Na+].[Na+]. ECNumber: 233-366-7. Product ID: ACM10130480. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 2
Arsenazo III Arsenazo III is used for the determination of Ca2+ in micromolar amounts, to investigate calcium transport in permeabilized cells and for the determination of serum calcium. Spectrophotometric reagent for U, Th, Zr and other metals. Indicator for the precipitation titration of SO4 with Ba. Group: Biochemicals. Alternative Names: 3,6-Bis[2-(2-arsonophenyl)diazenyl]-4,5-dihydroxy-2,7-naphthalenedisulfonic Acid; 2,7-Bis(2,2'-arsonophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonic Acid; 2,7-Bis(2-arsonophenylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic Acid; NSC 91528; 2,2'-(1,8-Dihydroxy-3,6-disulfo-2,7-naphthylenebisazo)di-benzenearsonic Acid; 3,6-Bis[(o-arsonophenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic Acid. Grades: Reagent Grade. CAS No. 1668-00-4. Pack Sizes: 1g, 5g. Molecular Formula: C??H??As?N?O??S?, Molecular Weight: 776.37. US Biological Life Sciences. USBiological 4
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Arsenazo-III Disodium Salt Arsenazo-III is a diazo dye reagent used in the spectrophotometric determination of aluminum, gallium and indium. Group: Biochemicals. Alternative Names: 3,6-Bis[2-(2-arsonophenyl)diazenyl]-4,5-dihydroxy-2,7-naphthalenedisulfonic Acid Sodium Salt; 3,6-Bis[(2-arsonophenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic Acid Disodium Salt. Grades: Highly Purified. CAS No. 62337-00-2. Pack Sizes: 100mg. US Biological Life Sciences. USBiological 2
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Azomethine H Monosodium Salt Spectrophotometric reagent for B. Group: Uv/visible (uv/vis) spectroscopy. Alternative Names: 8-Hydroxy-1-(salicylideneamino)naphthalene-3,6-disulfonic Acid Monosodium Salt; 4-Hydroxy-5-[salicylideneamino]-2,7-naphthalenedisulfonic Acid Monosodium salt. Alfa Chemistry Analytical Products 2
Black PN Black PN. Group: Biochemicals. Alternative Names: 4-(Acetylamino)-5-hydroxy-6-[2-[7-sulfo-4-[2-(4-sulfophenyl)diazenyl]-1-naphthalenyl]diazenyl]-1,7-naphthalenedisulfonic Acid Sodium Salt (1:4); 4-(Acetylamino)-5-hydroxy-6-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthalenyl]azo]-, tetrasodium Salt 1,7-Naphthalenedisulfonic Acid; Brilliant Black BN; C.I. Food Black 1; 1743 Black; Black PN; Blue Black BN; Brilliant Acid Black BN Extra Pure A; Brilliant Acid Black BNA Export; Brilliant Black 1; Brilliant Black 80; Brilliant Black A; Brilliant Black N; Brilliant Black NAF; Brilliant Black NFQ; Brilliant Black PN; C.I. 28440; Certicol Black PNW; Cilefa Black B; E 151; Edicol Supra Black BN; Food Black 1; Hexacol Black PN; L Black 8000; Melan Black; Tetrasodium 2-[4-(p-Sulfophenylazo)-7-sulfo-1-naphthylazo]-8-acetamido-1-naphthol-3,5-disulfonate; Xylene Black F. Grades: Highly Purified. CAS No. 2519-30-4. Pack Sizes: 1g, 10g, 100g, 250g. Molecular Formula: C28H17N5Na4O14S4, Molecular Weight: 867.68. US Biological Life Sciences. USBiological 3
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C.I. Food Black 2 C.I. Food Black 2. Uses: Designed for use in research and industrial production. CAS No. 2118-39-0. Purity: 0.95. Product ID: ACM2118390. Alfa Chemistry — ISO 9001:2015 Certified. Categories: 2,7-Naphthalenedisulfonic acid. Alfa Chemistry.
Direct Black 168 Direct Black 168. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-amino-3-[2-[4-[[4-[2-(2-amino-4-hydroxyphenyl)?diazenyl]?phenyl]?amino]?-3-sulfophenyl]?diazenyl]?-5-hydroxy-6-(2-phenyldiazenyl)?-2,?7-Naphthalenedisulfoni?c acid sodium salt; 4-amino-3-[[4-[[4-[(2-amino-4-hydroxyphenyl)azo]phenyl]amino]-3-sulfophenyl]azo]-5-hydroxy-6-(phenylazo)-2,7-Naphthalenedisulfonic acid trisodium salt. Appearance: Black Solid. CAS No. 85631-88-5. Molecular formula: C34H27N9Na3O11S3. Mole weight: 902.8. Purity: Technical Grade. Product ID: ACM85631885. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 2
Direct Black 19 Direct Black 19. Uses: Designed for use in research and industrial production. Additional or Alternative Names: C.I. Direct Black 19;C.I. 35255;2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis((4-((2,4-diaminophenyl)azo)phenyl)azo)-5-hydroxy-, disodium salt. Product Category: Direct Dyes. CAS No. 6428-31-5. Molecular formula: C34H27N13Na2O7S2. Mole weight: 839.77. Product ID: ACM6428315. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry.
Direct Blue 218 Direct Blue 218 is an azo dye used in diagnostic imaging. Used in the prediction of rat carcinogenisis. Also used in textile dyes contributing to textile effluents and wastewaters. Environmental toxin on US EPA Toxic Release Inventory list (TRI) list. Group: Biochemicals. Alternative Names: [Tetrahydrogen -3, 3'- [ (3, 3'-dihydroxy-4, 4'-biphenylylene ) bis (azo) ] bis [5-amino-4-hydroxy-2, 7-naphthalene disulfonato] (4-) ] di-Copper Tetrasodium Salt; [ μ - [ [3, 3'- [ (3, 3'-Dihydroxy [1, 1'-biphenyl] -4, 4'-diyl) bis (azo) ] bis [5-amino-4-hydroxy-2, 7-naphthalene disulfonato] ] (8-) ] ] di-Cuprate (4-) Tetra sodium ; [ μ - [ [3, 3'- [ [3, 3'-Di (hydroxy- κ O) [1, 1'-biphenyl] -4, 4'-diyl] bis (azo- κ N1) ] bis [5-amino-4- (hydroxy- κ O) -2, 7-naphthalene disulfonato] ] (8-) ] ] di-Cuprate (4-) Tetrasodium;3,3'-[(3,3'-Dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxy-2,7-Naphthalenedisulfonic Acid Copper Complex; Amanil Supra Blue 9GL; C.I. 24401; Carta Blue VP; Direct Blue 218; Fastusol Blue 9GLP; Intralite Blue 8GLL; Pontamine Bond Blue B; Pontamine Fast Blue 7GLN. Grades: Purified. CAS No. 28407-37-6. Pack Sizes: 1g, 5g, 10g. Molecular Formula: C??H??Cu?N?Na?O??S?, Molecular Weight: 1087.81. US Biological Life Sciences. USBiological 1
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disodium 3-[[5-chloro-2-(phenylmethoxy)phenyl]azo]-4-hydroxy-5-[[(p-tolyl)sulphonyl]amino]naphthalene-2,7-disulphonate disodium 3-[[5-chloro-2-(phenylmethoxy)phenyl]azo]-4-hydroxy-5-[[(p-tolyl)sulphonyl]amino]naphthalene-2,7-disulphonate. Uses: Designed for use in research and industrial production. Additional or Alternative Names: disodium 3-[[5-chloro-2-(phenylmethoxy)phenyl]azo]-4-hydroxy-5-[[(p-tolyl)sulphonyl]amino]naphthalene-2,7-disulphonate;Acid Red 172;Brilliant Red 3B;2, 7-Naphthalenedisulfonic acid, 3-[[5-chloro-2-(phenylmethoxy) phenyl]azo]-4-hydroxy-5-[[(4-methylphen. Product Category: Acid Dyes. CAS No. 6826-53-5. Molecular formula: C30H22ClN3Na2O10S3. Mole weight: 762.13. Product ID: ACM6826535. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 2
Disodium 3-aminonaphthalene-2,7-disulphonate Disodium 3-aminonaphthalene-2,7-disulphonate. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3-amino-2,7-naphthalenedisulfonic acid disodium salt;Disodium 3-aminonaphthalene-2,7-disulphonate;2-Naphthylamine-3,6-Disulfonic Acid Sodium Salt;Amino R Salt;Monosodium-2-Naphthylamine-3,6-Disulfonate;2-Amino-3,6-naphthalenedisulfonic acid, disodium sal. Product Category: Heterocyclic Organic Compound. CAS No. 135-50-2. Molecular formula: C10H7NNa2O6S2. Mole weight: 347.28. Density: g/cm³. Product ID: ACM135502. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
Disodium 4-amino-3-hydroxynaphthalene-2,7-disulfonate Disodium 4-amino-3-hydroxynaphthalene-2,7-disulfonate. Uses: Designed for use in research and industrial production. Additional or Alternative Names: R-Amine salt, CID16176, LS-94636, LS-94641, 1-Amino-2-Naphthol-3,6-disulfonic acid sodium, 1-Amino-2-naphthol-3,6-disulfonic acid sodium salt, 4-Amino-3-hydroxy-2,7-naphthalenedisulfonic acid, 2,7-Naphthalenedisulfonic acid, 4-amino-3-hydroxy-, 1-Amino-2-naphthol-3,6-disulfonic acid disodium salt, 1-Amino-2-naphthol-3,6-disulphonic acid sodium salt, Disodium 4-amino-3-hydroxy-2,7-naphthalenedisulfonate, Sodium salt of 1-amino-2-naphthol-3,6-disulphonic acid, 3,6-Naphthalenedisulfonic acid, 1-amino-2-hydroxy-, disodium salt, 2,7-NAPHTHALENEDISULFONIC ACID, 4-AMINO-3-HYDROXY-, DISODIUM SALT, 3,6-NAPHTHALENEDISULFONIC ACID, 8-AMINO-7-HYDROXY-, SODIUM SALT, 2007-20-7, 42579-07-7. Product Category: Heterocyclic Organic Compound. CAS No. 2007-20-7. Molecular formula: C10H7NNa2O7S2. Mole weight: 363.275 g/mol. Purity: 0.96. IUPACName: disodium 4-amino-3-hydroxynaphthalene-2,7-disulfonate. Canonical SMILES: C1=CC2=C(C(=C(C=C2C=C1S(=O)(=O)O)S(=O)(=O)O)O)N. Product ID: ACM2007207. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
H acid H acid. Group: Biochemicals. Alternative Names: 1-Amino-8-naphthol-3,6-disulfonic acid monosodium salt; 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid monosodium salt; Ash acid. Grades: Highly Purified. CAS No. 5460-9-3. Pack Sizes: 10g, 25g, 50g, 100g, 250g. Molecular Formula: C10H8NNaO7S2. US Biological Life Sciences. USBiological 7
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Hydroxy Naphthol Blue ACS Hydroxy Naphthol Blue Disodium Salt is a synthetic dye that has been used as a calcium indicator, which has a &lambda:max = 650nm. Group: Biochemicals. Alternative Names: Hydroxy Naphthol Blue Disodium Salt; 3-Hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthalenyl)azo]-2,7-naphthalenedisulfonic Acid Disodium Salt. Grades: ACS Grade. CAS No. 165660-27-5. Pack Sizes: 100g, 250g, 500g, 1Kg. Molecular Formula: C??H??N?Na?O??S?, Molecular Weight: 598.49. US Biological Life Sciences. USBiological 7
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Ponceau 3R analytical standard. Group: Colorant standardsdyes & metabolitesdyes & metabolites. Alternative Names: FD&C Red No. 1, Usacert Red No. 1, D and C Red 15, Ext D and C Red No. 15, Japan Red 1, Ponceau 3R Lake, Japan Red 502, FD and C Red No. 1, Dolkwal Ponceau 3R, C.I. 16155, Maple Ponceau 3R, Ponceau 3R sodium salt, FDC Red 1, Disodium 3-hydroxy-4-[(2,4,5-trimethylphenyl)azo]-2,7-naphthalenedisulfonate,2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2,4,5-trimethylphenyl)azo]-, disodium salt (9CI), Scarlet F, Ponceau 3RN, Ponceau 3R (6CI). Alfa Chemistry Analytical Products 2
Ponceau S ≥90% (Dye content) Ponceau S ≥90% (Dye content). Group: Biochemicals. Alternative Names: 3-Hydroxy-4[2-sulfo-4- (4-sulfophenylazo) phenylazo]-2, 7-naphthalenedisulfonic acid tetrasodium salt. Grades: Reagent Grade. Pack Sizes: 5g, 25g, 100g, 250g, 1Kg. US Biological Life Sciences. USBiological 5
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Pontacyl carmine 2b Pontacyl carmine 2b. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2,7-naphthalenedisulfonicacid,5-(acetylamino)-4-hydroxy-3-[(2-methoxyphenyl)a;2,7-Naphthalenedisulfonicacid,5-(acetylamino)-4-hydroxy-3-[(2-methoxyphenyl)azo]-,disodiumsalt;PONTACYL CARMINE 2B;CI 18075;ACID VIOLET 12;disodium 5-(acetylamino)-4-hydroxy-3-. Product Category: Heterocyclic Organic Compound. CAS No. 6625-46-3. Molecular formula: C19H15N3Na2O9S2. Mole weight: 539.45. Product ID: ACM6625463. Alfa Chemistry — ISO 9001:2015 Certified. Categories: 2,7-Naphthalenedisulfonic acid. Alfa Chemistry. 5
Procion Red MX 8B Procion Red MX 8B. Group: Biochemicals. Alternative Names: 5-[(4,6-Dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[2-(1-sulfo-2-naphthalenyl)diazenyl]-2,7-naphthalenedisulfonic Acid Sodium Salt; Reactive Brilliant Red X 6B. Grades: Highly Purified. CAS No. 57583-69-4. Pack Sizes: 100mg. Molecular Formula: C23H11Cl2N6Na3O10S3, Molecular Weight: 767.44. US Biological Life Sciences. USBiological 3
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Reactive blue 81 Reactive blue 81. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Reactive Blue 81;Reactive Blue M2R;Reactive blue 81 (C.I. 18245);2, 7-Naphthalenedisulfonic acid, 5-[(4, 6-dichloro-1, 3, 5-triazin-2-yl)amino]-4-hydroxy-3-[[4-(phenylamino)-3-sulfophenyl]azo], trisodium salt;Acticrom Brilliant Blue F2R;Begative Blue CD-. Product Category: Heterocyclic Organic Compound. CAS No. 75030-18-1. Molecular formula: C25H14Cl2N7O10S3.3Na. Product ID: ACM75030181. Alfa Chemistry — ISO 9001:2015 Certified. Categories: Reactive Blue 19. Alfa Chemistry. 5
Reactive red 180 Reactive red 180. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Brilliant Red F 3B-SF; Reactive Red 180; C.I. Reactive Red 180; Brilliant Red F 3B; 2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-4-hydroxy-3-[[1-sulfo-6-[[2-(sulfooxy)ethyl]sulfonyl]-2-naphthalenyl]azo]-, tetrasodium salt; C.I. 181055. CAS No. 98114-32-0. Molecular formula: C29H19N3Na4O17S5. Mole weight: 933.76. IUPACName: methyl(2R)-5-methyl-2-[(2,2,2-triphenylacetyl)amino]hex-4-enoate. Canonical SMILES: CC(=CCC(C(=O)OC)NC(=O)C(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3)C. Product ID: ACM98114320. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 2
Reactive Red 261 Reactive Red 261. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Reactive Red 261;5-((4-Chloro-6-((4-((2-sulfooxy)-ethyl)-sulfonyl)-phenyl)-amino)-1,3,5-tria;Red 3BF;2,7-Naphthalenedisulfonic acid, 5-((4-chloro-6-((4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)amino)-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-(2-phenyldiazenyl)-. Product Category: Heterocyclic Organic Compound. CAS No. 80156-96-3. Product ID: ACM80156963. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
Reactive Red 88 Reactive Red 88. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Reactive Red 88;C.I. Reactive red 88;C.I.Reactive Red 88(18205);Helatyn Red-4BAN;Brilliant Red X-7B;5-(4,6-Dichloro-1,3,5-triazin-2-ylamino)-4-hydroxy-3-(4-methyl-2-sulfophenylazo)-2,7-naphthalenedisulfonic acid trisodium salt;5-[(4,6-Dichloro-1,3,5-tr. Product Category: Heterocyclic Organic Compound. CAS No. 61109-27-1. Product ID: ACM61109271. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
Solvent Red 32 Solvent Red 32. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Solvent Red 32;C.I.26766;C.I.Solvent Red 32;4-Hydroxy-3-[2-[2-methyl-4-[2-(2-methylphenyl)diazenyl]phenyl]diazenyl]-2,7-naphthalenedisulfonic acid N-cyclohexylcyclohexanamine. Product Category: Solvent Dyes. CAS No. 6406-53-7. Molecular formula: C24H20N4O7S2.x(C12H23N). Product ID: ACM6406537. Alfa Chemistry — ISO 9001:2015 Certified. Categories: Solvent Red 26. Alfa Chemistry.
Supranol brilliant red g Supranol brilliant red g. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 1,7-Naphthalenedisulfonic acid,6-(2-(4-(acetylcyclohexylamino)phenyl)diazenyl)-4-(benzoylamino)-5-hydroxy-,sodium salt (1:2); 1,7-Naphthalenedisulfonic acid,4-benzamido-6-((4-(N-cyclohexylacetamido)phenyl)azo)-5-hydroxy-,disodium salt; 1,7-Naphthalenedisu. Product Category: Heterocyclic Organic Compound. CAS No. 6417-35-2. Molecular formula: C31H28N4Na2O9S2. Mole weight: 710.68. Purity: 0.96. IUPACName: disodium (6Z)-6-[[4-[acetyl(cyclohexyl)amino]phenyl]hydrazinylidene]-4-benzamido-5-oxonaphthalene-1,7-disulfonate. Canonical SMILES: CC(=O)N(C1CCCCC1)C2=CC=C(C=C2)NN=C3C(=CC4=C(C=CC(=C4C3=O)NC(=O)C5=CC=CC=C5)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]. ECNumber: 613-495-9. Product ID: ACM6417352. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
Trypan Blue, Certified (Direct Blue 14, Niagara Blue 3B) Trypan Blue is an azo based, hydrophilic, tetrasulfonated blue acid dye widely utilized for assessing cell viability. As an easy method to determining the viability of cells, Trypan Blue will stain dead cells with permeable membranes blue, while the dye is excluded by most living cells and their intact membranes thereby allowing visual determination of living versus dead cells. Although Trypan Blue is predominately used for assessing cell viability of cultured cells, other applications for this dye have been reported. In rat abdominal organ slices Trypan Blue has been utilized to determine cell viability as well as islet cell cluster cell viability from caprine pa...Cresotine Blue 3B; Diamine Blue 3B; Diamineblue; Diaphtamine Blue TH; Diazine Blue 3B; Diazol Blue 3B; Diphenyl Blue 3B; Direct Blue 14; Direct Blue 3B; Direct Blue M 3B; Hispamin Blue 3BX; Naphthylamine Blue; Niagara Blue; Niagara Blue 3B; Paramine Blue 3B; Pontamine Blue 3BX; Sodium Ditolyldisazobis-8-amino-1-naphthol-3,6-disulfonate; Trypan (Congo) Blue; Trypan Blue BPC; Trypane Blue; 3,3’-[(3,3’-Dimethyl[1,1’-biphenyl]-4,4’-diyl)bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonic Acid Tetrasodium. Grades: Certified Dye. CAS No. 72-57-1. Pack Sizes: 100g, 250g, 1Kg. Molecular Formula: C34H24N6O14S4Na4, Molecular Weight: 960.82. US Biological Life Sciences. USBiological 5
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