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Analytical & Chromatography
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2,4'-DDT solution100 ng/muL in methanol, PESTANAL(R), analytical standard 10ML45839SIG45839-10ML-EA -
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2,4,6-Trinitrotoluene solution10 mg/mL in acetonitrile, ampule of 5 mL, certified reference materialERT-107SSIGERT-107S-5ML-EA -
2,4,6-Trinitrotoluene solution1000 mug/mL in acetonitrile, ampule of 1.2 mL, certified reference materialERT-022SSIGERT-022S-1.2ML-EA -
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2,4-Dichlorobenzyl alcohol impurity AEuropean Pharmacopoeia (EP) Reference StandardY0001621SIGY0001621-EA -
2,4-Dichlorobenzyl alcohol impurity CEuropean Pharmacopoeia (EP) Reference StandardY0001622SIGY0001622-EA -
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2,4-Disulfamyl-5-trifluoromethylanilineUnited States Pharmacopeia (USP) Reference Standard1223005SIG1223005-50MG-EA -
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2,5-Dihydroxybenzoic acidmatrix substance for MALDI-MS, >99.0% (HPLC) 250MG85707SIG85707-250MG-F-EA -
2,5-Dihydroxybenzoic acidmatrix substance for MALDI-MS, >=99.5% (HPLC), Ultra pure39319SIG39319-10X10MG-F-EA -
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2-(2-Methoxyphenoxy)-1,3-propanediol(Guafenesin Imp B)pharmaceutical secondary standardPHR1543SIGPHR1543-50MG-EA
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![2-(5-Bromo-2-pyridylazo)-5-[N-propyl-N-(3-sulfopropyl)amino]phenol disodium salt dihydratefor spectrophotometric det. of Zn(II), Cu(II), Fe(II), Co(II), H2O2, >=95.0%](https://scis.nroge.redpernix.com/media/catalog/product/cache/18c147254acb4a98c031bfc3f794e0d9/S/i/Sigma_Aldrich_93832100MGF_25Bromo2pyridylazo5NpropylN3sulfopropylaminophenol_disodium_salt_dihydrate_original_1330110.png)