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Diagnostics Products

Diagnostics Products

202

When it comes to diagnostics, precision is everything. Our selection offers expertly-engineered products for results you can rely on — because we know every test counts.


  • Neutral red

    Grade:
    ACS reagent
    Synonym:
    3-Amino-7-dimethylamino-2-methylphenazine hydrochloride
    Catalog Number:
    30091
    Grade:
    ACS reagent
    CAS Number:
    553-24-2
    MDL NO:
    MFCD00012651
    Molecular Formula:
    C15H16N4·HCl
    Molecular Weight:
    288.78
  • New Methylene Blue N 

    Purity:
    ≥ 90% (Dye content)
    Synonym:
    Basic Blue 24 
    Catalog Number:
    22927
    CAS Number:
    6586-05-6
    Purity Limit:
    ≥ 90% (Dye content)
    MDL NO:
    MFCD00078135
    Molecular Formula:
    2C18H22N3S·2Cl·ZnCl2
    Molecular Weight:
    832.12
  • Chrome yellow

    Grade:
    CI 14095
    Purity:
    ≥ 96.5% (HPLC)
    Synonym:
    Mordant yellow 3
    Catalog Number:
    38621
    Grade:
    CI 14095
    CAS Number:
    6054-97-3
    Purity Limit:
    ≥ 96.5% (HPLC)
    MDL NO:
    MFCD00021624
    Molecular Formula:
    C17H10N2Na2O6S
    Molecular Weight:
    416.31
  • Fast Garnet GBC Base

    Purity:
    ≥ 97% (Assay)
    Synonym:
    Solvent Yellow 3
    Catalog Number:
    22843
    CAS Number:
    97-56-3
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD00007733
    Molecular Formula:
    C14H15N3
    Molecular Weight:
    225.29
  • Reactive Blue 4

    Purity:
    ≥ 30% (Assay)
    Synonym:
    CI 61205
    Catalog Number:
    22774
    CAS Number:
    13324-20-4
    Purity Limit:
    ≥ 30% (Assay)
    MDL NO:
    MFCD00001218
    Molecular Formula:
    C23H14Cl2N6O8S2
    Molecular Weight:
    637.44
  • Orange G

    Grade:
    Certifiable Grade
    Purity:
    ≥ 97% (Dye content)
    Synonym:
    Acid Orange 10 
    Catalog Number:
    22880
    Grade:
    Certifiable Grade
    CAS Number:
    1936-15-8
    Purity Limit:
    ≥ 97% (Dye content)
    MDL NO:
    MFCD00012457
    Molecular Formula:
    C16H10N2Na2O7S2
    Molecular Weight:
    452.38
  • Catalog Number:
    22811
    CAS Number:
    3737-95-9
    MDL NO:
    MFCD00004078
    Molecular Formula:
    C21H14N2O7S
    Molecular Weight:
    438.42
  • Rose Bengal

    Grade:
    Certifiable Grade
    Purity:
    ≥ 90% (Dye content)
    Synonym:
    Acid Red 9 
    Catalog Number:
    22972
    Grade:
    Certifiable Grade
    CAS Number:
    632-69-9
    Purity Limit:
    ≥ 90% (Dye content)
    MDL NO:
    MFCD00151169
    Molecular Formula:
    C20H2Cl4I4Na2O5
    Molecular Weight:
    1017.62
  • Oil Red O

    Grade:
    Certifiable Grade
    Purity:
    ≥ 99.5% (Dye content)
    Synonym:
    1-[(4-{Xylylazo}xylyl)azo]-2-naphthol
    Catalog Number:
    01794
    Grade:
    Certifiable Grade
    CAS Number:
    1320-06-5
    Purity Limit:
    ≥ 99.5% (Dye content)
    MDL NO:
    MFCD00003898
    Molecular Formula:
    C26H24N4O
    Molecular Weight:
    408.51
  • Dithizone

    Grade:
    ACS reagent
    Purity:
    ≥ 85% (UV)
    Synonym:
    Diphenylthiocarbazone
    Catalog Number:
    22788
    Grade:
    ACS reagent
    CAS Number:
    60-10-6
    Purity Limit:
    ≥ 85% (UV)
    MDL NO:
    MFCD00003025
    Molecular Formula:
    C13H12N4S
    Molecular Weight:
    256.33
  • Thymol blue

    Grade:
    ACS reagent
    Synonym:
    Thymolsulfonphthalein
    Catalog Number:
    01268
    Grade:
    ACS reagent
    CAS Number:
    76-61-9
    MDL NO:
    MFCD00005869
    Molecular Formula:
    C27H30O5S
    Molecular Weight:
    466.6
  • Janus Green B

    Grade:
    Certifiable Grade
    Purity:
    ≥ 88% (Dye content)
    Synonym:
    CI 11050
    Catalog Number:
    22858
    Grade:
    Certifiable Grade
    CAS Number:
    2869-83-2
    Purity Limit:
    ≥ 88% (Dye content)
    MDL NO:
    MFCD00011758
    Molecular Formula:
    C30H31N6Cl
    Molecular Weight:
    511.07
  • Safranine O

    Grade:
    Certifiable Grade
    Purity:
    ≥ 99% (Assay)
    Synonym:
    3,7-Diamino-2,8-dimethyl-5-phenylphenazinium chloride
    Catalog Number:
    00280
    Grade:
    Certifiable Grade
    CAS Number:
    477-73-6
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00011759
    Molecular Formula:
    C20H19N4Cl
    Molecular Weight:
    350.85
  • Naphthol blue black

    Purity:
    ≥ 84% (dye content)
    Synonym:
    CI 20470
    Catalog Number:
    01272
    CAS Number:
    1064-48-8
    Purity Limit:
    ≥ 84% (dye content)
    MDL NO:
    MFCD00004017
    Molecular Formula:
    C22H14N6O9S2Na2
    Molecular Weight:
    616.5
  • Azure A  

    Purity:
    Dye content : ≥ 97%
    Synonym:
    Azure A chloride salt
    Catalog Number:
    22963
    CAS Number:
    531-53-3
    Purity Limit:
    Dye content : ≥ 97%
    MDL NO:
    MFCD00012112
    Molecular Formula:
    C14H14N3SCl
    Molecular Weight:
    291.81
  • Tropaeolin O  

    Synonym:
    Acid Orange 6
    Catalog Number:
    22965
    CAS Number:
    547-57-9
    MDL NO:
    MFCD00007499
    Molecular Formula:
    C12H9N2O5SNa
    Molecular Weight:
    316.27
  • Biebrich scarlet sodium salt

    Purity:
    ≥ 70% (Dye content)
    Synonym:
    Acid Red 66
    Catalog Number:
    22794
    CAS Number:
    4196-99-0
    Purity Limit:
    ≥ 70% (Dye content)
    MDL NO:
    MFCD00003891
    Molecular Formula:
    C22H14N4O7S2·2Na
    Molecular Weight:
    556.49
  • Bromocresol green sodium salt

    Grade:
    ACS reagent
    Synonym:
    3',3,5',5-Tetrabromo-3-cresolsulfonephthalein sodium salt
    Catalog Number:
    00043
    Grade:
    ACS reagent
    CAS Number:
    62625-32-5
    MDL NO:
    MFCD00148898
    Molecular Formula:
    C21H13Br4O5SNa
    Molecular Weight:
    720.02
  • Pyrocatechol Violet

    Purity:
    ≥ 98% (Assay)
    Synonym:
    3,3',4'-Trihydroxyfuchsone-2''-sulfonic acid
    Catalog Number:
    22822
    CAS Number:
    115-41-3
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00005868
    Molecular Formula:
    C19H14O7S
    Molecular Weight:
    386.38
  • Sudan Black B

    Grade:
    Certifiable Grade
    Purity:
    ≥ 95% (Dye content)
    Synonym:
    Fat black HB
    Catalog Number:
    01307
    Grade:
    Certifiable Grade
    CAS Number:
    4197-25-5
    Purity Limit:
    ≥ 95% (Dye content)
    MDL NO:
    MFCD00006919
    Molecular Formula:
    C29H24N6
    Molecular Weight:
    456.55
  • Toluidine Blue O

    Grade:
    Certifiable Grade
    Purity:
    ≥ 80% (Dye content)
    Synonym:
    Basic blue 17
    Catalog Number:
    01804
    Grade:
    Certifiable Grade
    CAS Number:
    92-31-9
    Purity Limit:
    ≥ 80% (Dye content)
    MDL NO:
    MFCD00011934
    Molecular Formula:
    C15H16N3SCl
    Molecular Weight:
    305.83
  • Acridine Orange hydrochloride hydrate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3,6-Bis(dimethylamino)acridine hydrochloride
    Catalog Number:
    22883
    CAS Number:
    65-61-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00150070
    Molecular Formula:
    C17H19N3·HCl·xH2O
    Molecular Weight:
    301.82
  • Victoria Blue R 

    Purity:
    Dye content: ≥ 80%
    Synonym:
    Basic Blue 11 
    Catalog Number:
    22862
    CAS Number:
    2185-86-6
    Purity Limit:
    Dye content: ≥ 80%
    MDL NO:
    MFCD00011876
    Molecular Formula:
    C29H32N3Cl
    Molecular Weight:
    458.05
  • Inosine

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Hypoxanthine-9-β-D-ribofuranoside
    Catalog Number:
    00190
    CAS Number:
    58-63-9
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00066770
    Molecular Formula:
    C10H12N4O5
    Molecular Weight:
    268.2
  • 2'-Deoxycytidine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2'-dC
    Catalog Number:
    01945
    CAS Number:
    951-77-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006547
    Molecular Formula:
    C9H13N3O4
    Molecular Weight:
    227.22
  • Sodium phosphate monobasic

    Grade:
    Meets USP Specification
    Purity:
    98 - 103% (Assay on anhydrous basis)
    Synonym:
    Monosodium phosphate
    Catalog Number:
    35877
    Grade:
    Meets USP Specification
    CAS Number:
    7558-80-7
    Purity Limit:
    98 - 103% (Assay on anhydrous basis)
    MDL NO:
    MFCD00149208
    Molecular Formula:
    NaH2PO4
    Molecular Weight:
    120.0
  • Adenosine-5'-triphosphate disodium salt trihydrate

    Grade:
    Microbial, suitable for cell culture
    Purity:
    ≥ 99.5% (Assay on dried basis)
    Synonym:
    5'-ATP ·2Na ·3H2O
    Catalog Number:
    38834
    Grade:
    Microbial, suitable for cell culture
    CAS Number:
    51963-61-2
    Purity Limit:
    ≥ 99.5% (Assay on dried basis)
    MDL NO:
    MFCD00150754
    Molecular Formula:
    C10H14N5O13P3Na2·3H2O
    Molecular Weight:
    605.1
  • 2-Morpholinoethanesulfonic acid Low moisture content

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    2-(N-Morpholino)ethanesulfonic acid
    Catalog Number:
    00211
    CAS Number:
    4432-31-9
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00006181
    Molecular Formula:
    C6H13NO4S
    Molecular Weight:
    195.24
  • N-(2-Acetamido)-2-aminoethanesulfonic acid

    Purity:
    ≥ 99% (titration)
    Synonym:
    Aces buffer
    Catalog Number:
    00002
    CAS Number:
    7365-82-4
    Purity Limit:
    ≥ 99% (titration)
    MDL NO:
    MFCD00008030
    Molecular Formula:
    C4H10N2O4S
    Molecular Weight:
    182.2
  • New fuchsin

    Hazmat
    Grade:
    CI 42520
    Synonym:
    Basic violet 2
    Hazmat
    Catalog Number:
    38566
    Grade:
    CI 42520
    CAS Number:
    3248-91-7
    MDL NO:
    MFCD00012567
    Molecular Formula:
    C22H24ClN3
    Molecular Weight:
    365.91
  • Xylenes

    Hazmat
    Grade:
    ACS reagent
    Purity:
    ≥ 98.5% (GC)
    Hazmat
    Catalog Number:
    46532
    Grade:
    ACS reagent
    CAS Number:
    1330-20-7
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00077264
    Molecular Formula:
    C8H10
    Molecular Weight:
    106.17
  • Catalog Number:
    38623
    CAS Number:
    60687-93-6
    MDL NO:
    MFCD00071249
    Molecular Weight:
    0.0
  • Acid Fuchsin calcium salt

    Grade:
    suitable for Hematology & Histology
    Purity:
    ≥ 60% (Dye content)
    Synonym:
    Acid Magenta
    Catalog Number:
    41894
    Grade:
    suitable for Hematology & Histology
    CAS Number:
    123334-10-1
    Purity Limit:
    ≥ 60% (Dye content)
    MDL NO:
    MFCD00001654
    Molecular Formula:
    C20H17CaN3O9S3
    Molecular Weight:
    579.64
  • Fast black K salt

    Grade:
    CI 37190
    Purity:
    ≥ 95% (HPLC)
    Synonym:
    2,5-Dimethoxy-4-(4-nitrophenylazo)benzenediazonium chloride zinc chloride
    Catalog Number:
    38634
    Grade:
    CI 37190
    CAS Number:
    64071-86-9
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00078471
    Molecular Formula:
    C14H12ClN5O4·0.5ZnCl2
    Molecular Weight:
    417.87
  • Acid Blue 80

    Grade:
    suitable for Hematology & Histology
    Catalog Number:
    41893
    Grade:
    suitable for Hematology & Histology
    CAS Number:
    4474-24-2
    MDL NO:
    MFCD00001192
    Molecular Formula:
    C32H28N2Na2O8S2
    Molecular Weight:
    678.68
  • Sudan IV

    Grade:
    Certifiable Grade
    Purity:
    ≥ 88% (dye content)
    Synonym:
    Solvent Red 24
    Catalog Number:
    22795
    Grade:
    Certifiable Grade
    CAS Number:
    85-83-6
    Purity Limit:
    ≥ 88% (dye content)
    MDL NO:
    MFCD00003893
    Molecular Formula:
    C24H20N4O
    Molecular Weight:
    380.45
  • Crystal violet

    Hazmat
    Grade:
    ACS reagent
    Purity:
    ≥ 90% (Assay)
    Synonym:
    Hexamethylpararosaniline chloride
    Hazmat
    Catalog Number:
    30052
    Grade:
    ACS reagent
    CAS Number:
    548-62-9
    Purity Limit:
    ≥ 90% (Assay)
    MDL NO:
    MFCD00011750
    Molecular Formula:
    C25H30ClN3
    Molecular Weight:
    407.99
  • 1-(2-Pyridylazo)-2-naphthol

    Grade:
    Indicator grade
    Purity:
    ≥ 98% (Assay)
    Synonym:
    PAN
    Catalog Number:
    22809
    Grade:
    Indicator grade
    CAS Number:
    85-85-8
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00004071
    Molecular Formula:
    C15H11N3O
    Molecular Weight:
    249.27
  • Cresol red

    Grade:
    Indicator grade
    Purity:
    ≥ 96% (Dye Content)
    Synonym:
    2-Cresolsulfonephthalein
    Catalog Number:
    01591
    Grade:
    Indicator grade
    CAS Number:
    1733-12-6
    Purity Limit:
    ≥ 96% (Dye Content)
    MDL NO:
    MFCD00005878
    Molecular Formula:
    C21H18O5S
    Molecular Weight:
    382.43
  • meta-Cresol Purple W/S

    Synonym:
    m-Cresol Purple sodium salt
    Catalog Number:
    22846
    CAS Number:
    62625-31-4
    MDL NO:
    MFCD00010177
    Molecular Formula:
    C21H17O5SNa
    Molecular Weight:
    404.42
  • Crocein Scarlet 7B  

    Purity:
    Dye content : ≥ 81%
    Synonym:
    Acid Red 71
    Catalog Number:
    22914
    CAS Number:
    6226-76-2
    Purity Limit:
    Dye content : ≥ 81%
    MDL NO:
    MFCD00056588
    Molecular Formula:
    C24H18N4O7S2·2Na
    Molecular Weight:
    584.54
  • Brilliant Yellow

    Purity:
    ≥ 70% (Dye content)
    Synonym:
    Direct Yellow 4
    Catalog Number:
    22835
    CAS Number:
    3051-11-4
    Purity Limit:
    ≥ 70% (Dye content)
    MDL NO:
    MFCD00007489
    Molecular Formula:
    C26H18N4O8S2·2Na
    Molecular Weight:
    624.56
  • Xylene cyanole FF

    Purity:
    ≥ 75% (Dye content)
    Synonym:
    Acid blue 147
    Catalog Number:
    01310
    CAS Number:
    2650-17-1
    Purity Limit:
    ≥ 75% (Dye content)
    MDL NO:
    MFCD00040657
    Molecular Formula:
    C25H27N2O6S2Na
    Molecular Weight:
    538.62
  • Indigo Carmine

    Grade:
    Certifiable Grade
    Purity:
    ≥ 95% (Dye content)
    Synonym:
    Acid Blue 74
    Catalog Number:
    22821
    Grade:
    Certifiable Grade
    CAS Number:
    860-22-0
    Purity Limit:
    ≥ 95% (Dye content)
    MDL NO:
    MFCD00005723
    Molecular Formula:
    C16H8N2O8S2·2Na
    Molecular Weight:
    466.36
  • Phenol red

    Grade:
    ACS reagent
    Synonym:
    Phenolsulphonephthalein
    Catalog Number:
    00479
    Grade:
    ACS reagent
    CAS Number:
    143-74-8
    MDL NO:
    MFCD00003552
    Molecular Formula:
    C19H14O5S
    Molecular Weight:
    354.38
  • Eriochrome Blue Black R

    Purity:
    ≥ 70% (Dye content)
    Synonym:
    Mordant Black 17
    Catalog Number:
    22808
    CAS Number:
    2538-85-4
    Purity Limit:
    ≥ 70% (Dye content)
    MDL NO:
    MFCD00004069
    Molecular Formula:
    C20H13N2O5SNa
    Molecular Weight:
    416.39
  • Eosin B Spirit Soluble 

    Purity:
    Dye content: ≥ 95%
    Synonym:
    Acid Red 91
    Catalog Number:
    22923
    CAS Number:
    56360-46-4
    Purity Limit:
    Dye content: ≥ 95%
    MDL NO:
    MFCD00066762
    Molecular Formula:
    C20H8Br2N2O9
    Molecular Weight:
    580.1
  • Hydroxy naphthol blue

    Grade:
    ACS reagent
    Synonym:
    Hydroxy napthol blue disodium salt
    Catalog Number:
    22810
    Grade:
    ACS reagent
    CAS Number:
    165660-27-5
    MDL NO:
    MFCD00004075
    Molecular Formula:
    C20H12N2O11S3·2Na
    Molecular Weight:
    598.5
  • Light green SF yellowish

    Purity:
    ≥ 80% (Dye content)
    Synonym:
    Acid green 5
    Catalog Number:
    01610
    CAS Number:
    5141-20-8
    Purity Limit:
    ≥ 80% (Dye content)
    MDL NO:
    MFCD00012121
    Molecular Formula:
    C37H34N2O9S3Na2
    Molecular Weight:
    792.88
  • Pararosaniline chloride

    Grade:
    Certifiable Grade
    Purity:
    ≥ 90% (Dye content)
    Synonym:
    Basic parafuchsin
    Catalog Number:
    00030
    Grade:
    Certifiable Grade
    CAS Number:
    569-61-9
    Purity Limit:
    ≥ 90% (Dye content)
    MDL NO:
    MFCD00001657
    Molecular Formula:
    C19H18N3Cl
    Molecular Weight:
    323.8