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D9564 DAPI, dilactate ≥98% (HPLC)    
211885 Darrow Red certified by the Biological Stain Commission, Dye content ≥65 % 15391-59-0 (free base) Certified by the Biological Stain Commission
D3252 o-Dianisidine dihydrochloride ≥95% 20325-40-0  
F5803 o-Dianisidine dihydrochloride Suitable for use in glucose determination 20325-40-0  
D2679   o-Dianisidine dihydrochloride for enzymic, spectrophotometric determination, vial of 5 mg    
550248 4,5-Dibromobenzene-1,2-diol 90%, technical grade 2563-26-0 Technical
216720 4′,5′-Dibromofluorescein Dye content 95 % 596-03-2  
271993 2,5-Dibromo-6-isopropyl-3-methyl-1,4-benzoquinone 29096-93-3  
383775 3,6-Dibutoxy-1,2-benzenedicarbonitrile 97% 75942-37-9  
363235 2,5-Dibutoxy-4-(4-morpholinyl)benzenediazonium tetrafluoroborate Dye content 95 % 50543-78-7  
409499 1,4-Dibutoxy-2,3-naphthalenedicarbonitrile 99% 116453-89-5  
338516 4-(Dibutylamino)benzaldehyde 98% 90134-10-4  
D8064 4-(2-(6-(Dibutylamino)-2-naphthalenyl)ethenyl)-1-(3-sulfopropyl)pyridinium hydroxide inner salt ≥95% (HPLC), solid 90134-00-2  
304468 N,N-Dibutylaniline 97% 613-29-6  
320609 2,4-Dichlorobenzenediazonium 1,5-naphthalenedisulfonate hydrate 123333-91-5  
442828 3,6-Dichloro-1,2-benzenedithiol 95% 87314-49-6  
300365 1,2-Dichloro-4,5-dinitrobenzene 98% 6306-39-4  
D6665 2′,7′-Dichlorofluorescein ~90% (TLC), crystalline 76-54-0  
410217 2′,7′-Dichlorofluorescein ACS reagent 76-54-0 ACS reagent, Analytical, Indicator
D1878 2,6-Dichloroindophenol sodium salt hydrate suitable for vitamin C determination, BioReagent 1266615-56-8 BioReagent
D5928 6-(2,2-Dicyanovinyl)-N-(2-hydroxyethyl)-1,2,3,4-tetrahydroquinoline 142978-25-4  
338494 trans-4-(Diethylamino)cinnamaldehyde 98% 22411-59-2  
C1484 7-Diethylamino-3-(4-maleimidophenyl)-4-methylcoumarin ≥95% (HPLC), solid 76877-33-3  
166510 1,1′-Diethyl-2,2′-carbocyanine iodide 97% 605-91-4  
323764 1,1′-Diethyl-2,2′-cyanine iodide 97% 977-96-8  
291331 1,1′-Diethyl-4,4′-cyanine iodide 4727-49-5  
D5143 N,N-Diethyl-p-phenylenediamine oxalate salt 142439-89-2  
310212 Diethyl 3,4-pyridinedicarboxylate 97% 1678-52-0  
390410 3,3′-Diethylthiacyanine iodide Dye content ~97 % 2197-01-5  
D7008 Dihydroethidium ≥95% 104821-25-2  
D1054 Dihydrorhodamine 123 ≥95% 109244-58-8  
296244 2′,4′-Dihydroxy-3′-methylacetophenone technical grade, 90% 10139-84-1 Technical
N6250 1,3-Dihydroxynaphthalene ≥99%, crystalline 132-86-5  
407100 1,4-Dihydroxy-2,3-naphthalenedicarbonitrile 97% 1018-79-7  
429031 4,7-Dihydroxy-1,10-phenanthroline Dye content ≥30 % 3922-40-5  
386596 1,3-Diiminobenz[f]isoindoline 95% 65558-69-2  
279528 1,3-Diiminoisoindoline 97% 3468-11-9  
191248 3,3′-Dimethoxybenzidine dihydrochloride technical grade 20325-40-0 Technical
264806 (2,5-Dimethoxyphenyl)acetyl chloride 99% 52711-92-9  
292559 2,4-Dimethoxytoluene 99% 38064-90-3  
D2004 4-(Dimethylamino)benzaldehyde suitable for histochemical demonstration of nitro blue tetrazolium reduction in neutrophils 100-10-7  
D4506 4-(Dimethylamino)cinnamaldehyde chromogenic reagent for indoles and flavanols 6203-18-5  
130435 4-Dimethylamino-2-methylazobenzene 54-88-6  
D0815 2-[4-(Dimethylamino)styryl]-1-ethylpyridinium iodide ≥99% (HPLC), solid 3785-01-1  
D1429 2-[4-(Dimethylamino)styryl]-N-methylbenzoxazolium perchlorate 64872-13-5  
379298 N,N-Dimethyl-4,4′-azodianiline 97% 539-17-3  
M8010 N,N′-Dimethyl-9,9′-biacridinium dinitrate used as chemiluminescent reagent 2315-97-1  
235601 N,N-Dimethylindoaniline Dye content 97 % 2150-58-5  
552291 3,3-Dimethyl-2-methylene-1-phenylindoline 5227-71-4  
D4011 N,N-Dimethyl-1-naphthylamine ≥98.0% (GC) 86-56-6  
D172405 N,N-Dimethyl-4-nitrosoaniline 97% 138-89-6  
D4139 N,N-Dimethyl-p-phenylenediamine dihydrochloride suitable for peroxidase test, ≥99.0% (titration) 536-46-9  
376434 1,4-Dimethylpyridinium iodide 99% 2301-80-6  
514888 1,4-Dimethylpyridinium p-toluenesulfonate 98% 78105-28-9  
D193402 3,5-Dinitroaniline 97% 618-87-1  
335428 4,4′-Dinitro-2-biphenylamine 98% 51787-75-8  
D9636 10-(2′,4′-Dinitrophenylazo)-9-phenanthrol 54261-71-1  
D0550 3,5-Dinitrosalicylic acid used in colorimetric determination of reducing sugars 609-99-4  
391506 1,1′-Dioctadecyl-4,4′-bipyridinium dibromide 97% 90179-58-1  
D4292 3,3′-Dioctadecyloxacarbocyanine perchlorate 34215-57-1  
D1065 4-(2-[6-(Dioctylamino)-2-naphthalenyl]ethenyl)-1-(3-sulfopropyl)pyridinium inner salt ≥95% (HPLC), solid 157134-53-7  
230308 1,3-Diphenylacetone p-tosylhydrazone 98% 19816-88-7  
D204838 2-Diphenylacetyl-1,3-indandione-1-hydrazone 98% 5102-79-4  
363928 1,2-Diphenylindole 94% 18434-12-3  
364487 N-(Diphenylmethylene)glycine tert-butyl ester 98% 81477-94-3  
454656 2,6-Diphenyl-4H-thiopyran-4-one 96% 1029-96-5  
212407 Direct Blue 71 Dye content 50 % 4399-55-7  
D2535 Direct Blue 15 suitable for Histopaque® system, suitable for viability studies of collagenase-treated rat liver cells 2429-74-5  
212490 Direct Red 23 Dye content 30 % 3441-14-3  
365548 Direct Red 80 Dye content 25 % 2610-10-8  
195251 Direct Red 81 Dye content 50 % 2610-11-9  
201871 Direct yellow 27 10190-68-8  
456691 Disperse Black 9 Dye content 97 % 20721-50-0  
215643 Disperse Blue 1 Dye content 30 % 2475-45-8  
215651 Disperse Blue 3 Dye content 20 % 2475-46-9  
367648 Disperse Blue 14 Dye content 97 % 2475-44-7  
212288 Disperse Orange 1 Dye content ~15 % 2581-69-3  
364800 Disperse Orange 13 Dye content 90 % 6253-10-7  
212296 Disperse Orange 13 Dye content 15 % 6253-10-7  
215686 Disperse Yellow 3 Dye content 30 % 2832-40-8  
D5130 Dithizone Practical Grade 60-10-6