Reagents

Analytical reagents, buffers and indicators

Substances and ready-made solutions whose purpose is the measurement itself: they set a known condition, provide a known reference, or produce an observable change proportional to what is measured.

Analytical reagents, buffers, and indicators are substances and ready-made solutions used in laboratories to determine measurement values. They are used to establish known conditions, provide references, or induce observable changes proportional to the measured quantity. This category includes buffers, indicators, dyes, and chemical reagents.

2,575 products 4 subcategories

Page 42 of 43 24 items on this page 2,575 products in this category

Buffers and standards

1 item here See all
Diammonium hydrogenphosphate, 98% Fluorochem CAS 7783-28-0

Reagent solutions

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2-ETHOXYCARBONYL-2-OXOETHYLIDENETRIPHENYLPHOSPHORANE, 98% Fluorochem CAS 13321-61-4

Indicators

6 items here See all
Thymolphthalein, 95% Fluorochem CAS 125-20-2
Acetic acid, 2-[[2-methyl-8-[[(4-methylphenyl)sulfonyl]amino]-6-quinolinyl]oxy]-, 98% Fluorochem CAS 151606-29-0
Titan Yellow, IND Fluorochem CAS 1829-00-1
Acid Orange 5 Fluorochem CAS 554-73-4
4-(Dimethylamino)-3'-methylazobenzene, >98.0%(GC)(T) Fluorochem CAS 55-80-1
Acid Red 87, >90.0%(E) Fluorochem CAS 548-26-5

Dyes and stains

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Glycine, N-[4-[6-[(acetyloxy)methoxy]-2,7-dichloro-3-oxo-3H-xanthen-9-yl]-2-[2-[2-[bis[2-[(acetyloxy)methoxy]-2-oxoethyl]amino]-5-methylphenoxy]ethoxy]phenyl]-N-[2-[(acetyloxy)methoxy]-2-oxoethyl]-, (acetyloxy)methyl ester, 90% Fluorochem CAS 121714-22-5
2-Pyrrolidinecarbonyl chloride, 1-(7-nitro-2,1,3-benzoxadiazol-4-yl)-, (S)- (9CI), 95% Fluorochem CAS 159717-68-7
2,1,3-Benzoxadiazole, 4-[(3S)-3-isothiocyanato-1-pyrrolidinyl]-7-nitro-, ≥98%(HPLC) Fluorochem CAS 163927-30-8
2,1,3-Benzoxadiazole, 4-[(3R)-3-isothiocyanato-1-pyrrolidinyl]-7-nitro-, ≥98%(HPLC) Fluorochem CAS 163927-29-5
Erythrosine B free acid, 95% Fluorochem CAS 15905-32-5
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 5,6-diamino-3',6'-dihydroxy-, 98% Fluorochem CAS 205391-01-1
Pyrogallol red, 95% Fluorochem CAS 32638-88-3
1,4-Bis(p-tolylamino)anthracene-9,10-dione, 95% Fluorochem CAS 128-80-3
3',6'-Diacetoxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid, 95+% Fluorochem CAS 528938
Tetrasodium pyrene-1,3,6,8-tetrasulphonate, 98% Fluorochem CAS 59572-10-0
9,10-Bis[N-(p-tolyl)anilino]anthracene, ≥97% Fluorochem CAS 190974-21-1
3,5-Di(1-pyrenyl)pyridine, ≥98% Fluorochem CAS 1246467-58-2
disodium bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)(4-hydroxy-2-sulfonatophenyl)methylium, 95% Fluorochem CAS 2353-45-9
Naphtho[2,3-a]pyrene, 98% Fluorochem CAS 196-42-9
10-Oxo-2,3,5,6-tetrahydro-1H,4H,10H-11-oxa-3a-aza-benzo[de]anthracene-9-carbaldehyde, 98% Fluorochem CAS 142730-52-7
2,3-Dibromoanthracene-9,10-dione, 95% Fluorochem CAS 633-68-1