Alfa Chemistry Analytical Products - Products
Alfa Chemistry is a global leading supplier of analytical chemistry reagents, providing a wide range of analytical chemicals such as analytical standards for a variety of analytical applications.
| Product | Description | |
|---|---|---|
| 4-(Dimethyl-d6-amino)benzoyl chloride | for HPLC derivatization, ?97.0% (HPLC). Group: Derivatization reagents hplc. |  |
| 4-Ethoxyphenol | analytical standard. Group: Flavor and fragrance standards. | |
| 4-Ethylguaiacol | analytical standard. Group: Flavor and fragrance standards. | |
| 4-Ethylmethcathinone hydrochloride solution | 1.0 mg/mL in methanol (as free base), ampule of 1 mL, certified reference material. Group: Certified reference materials (crms). | |
| 4-Fluoroamphetamine hydrochloride solution | 1.0 mg/mL in methanol (as free base), ampule of 1 mL, certified reference material. Group: Certified reference materials (crms). | |
| 4-Fluorobenzoic acid-?-13C-2,3,5,6-d4 | 99 atom % 13C, 98 atom % D. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Fluorobenzylphosphonic acid | 99% (HPLC). Group: Electronic chemicals. | |
| 4-Fluorotropacocaine hydrochloride solution | 1.0 mg/mL in acetonitrile: water (9:1) (as free base), ampule of 1 mL, certified reference material. Group: Certified reference materials (crms). | |
| 4?-Galactobiose | ?90%. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Hydroxy-2,5-dimethyl-3(2H)-furanone | analytical standard. Group: Flavor and fragrance standards. | |
| 4-Hydroxy-3-methoxycinnamic acid | mixture of isomers, analytical standard. Group: Flavor and fragrance standards. | |
| 4-Hydroxyantipyrine | analytical standard. Group: Anesthetics standards. | |
| 4-Hydroxybenzoic Acid | certified reference material. Group: Acids and estersimpurity standardspharmaceutical toxicology. Alternative Names: GW 470921X, Ph Eur Salicylic Acid Impurity A, Salicylic Acid USP Related Compound A, GW 466608X, Salicylic Acid Imp. A (EP), p-Hydroxybenzoic acid, GW 357662X, Acetylsalicylic Acid Imp. A (EP), NSC 4961, 4-Carboxyphenol, p-Carboxyphenol, Butyl Parahydroxybenzoate Imp. A (EP), CCI 23875, p-hydroxybenzoic acid, Ethyl Parahydroxybenzoate Imp. A (EP),4-Hydroxybenzoic Acid, p-hydroxybenzoic acid, Paraben-acid, GW 444710X, Salicylic Acid USP RC A, 4-Hydroxybenzoic acid, Propyl Parahydroxybenzoate Imp. A (EP), Methyl Parahydroxybenzoate Imp. A (EP), p-Salicylic acid, SKF-29685, GW 403126X. | |
| 4?-Hydroxydiclofenac | analytical standard. Group: Additional drugs. | |
| 4?-Hydroxydiclofenac-13C6 solution | 100 ?g/mL in methanol, ampule of 1 mL, certified reference material. Group: Certified reference materials (crms). | |
| 4?-Hydroxydiclofenac solution | 100 ?g/mL in acetonitrile, ampule of 1 mL, certified reference material. Group: Certified reference materials (crms). | |
| (±)-4-Hydroxypropranolol hydrochloride | analytical standard. Group: Cardiac drug standards. | |
| 4-IPP | ?97% (HPLC). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Isopropylthioxanthone | analytical standard. Group: Volatile & semivolatile standards. | |
| 4-Methoxy-13C,d3-estrone | ?98 atom %, ?98% (CP). Group: Fluorescence/luminescence spectroscopy. | |
| 4?-Methoxyacetophenone | analytical standard. Group: Flavor and fragrance standards. | |
| 4-Methoxybenzoic acid | certified reference material. Group: Flavor and fragrance standards. | |
| 4?-Methoxyflavone | ?97% (HPLC). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methoxyphenylacetic acid | analytical standard. Group: Flavor and fragrance standards. | |
| 4-Methyl-1H-benzotriazole | analytical standard. Group: Additional drugs. | |
| 4-Methylanisole | analytical standard. Group: Flavor and fragrance standards. | |
| 4-(Methyl-d3-nitrosamino)-1-(3-pyridyl)-1-butanol | analytical standard. Group: Chemical class. | |
| 4-(Methyl-d3-nitrosamino)-1-(3-pyridyl)-1-butanone | analytical standard. Group: Chemical class. | |
| (±)-4-Methylephedrine-D3 hydrochloride solution | 100 ?g/mL in methanol (as free base), ampule of 1 mL, certified reference material. Group: Certified reference materials (crms). | |
| (±)-4-Methylephedrine hydrochloride solution | 1.0 mg/mL in methanol (as free base), ampule of 1 mL, certified reference material. Group: Certified reference materials (crms). | |
| (±)-4-Methyl-N-ethyl-norephedrine-D5 hydrochloride solution | 100 ?g/mL in methanol (as free base), ampule of 1 mL, certified reference material. Group: Certified reference materials (crms). | |
| (±)-4-Methyl-N-ethyl-norephedrine hydrochloride solution | 1.0 mg/mL in methanol (as free base), ampule of 1 mL, certified reference material. Group: Certified reference materials (crms). | |
| 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol | analytical standard. Group: Processing & packaging contaminant standards. | |
| 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol solution | 1.0 mg/mL in methanol, ampule of 1 mL, certified reference material. Group: Certified reference materials (crms). | |
| 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) solution | 1.0 mg/mL in methanol, ampule of 1 mL, certified reference material. Group: Certified reference materials (crms). | |
| 4-(Methylnitrosoamino)-1-(3-pyridinyl)-1-butanone | analytical standard. Group: Processing & packaging contaminant standards. | |
| 4-Methylpyrazole hydrochloride | alcohol dehydrogenase inhibitor. Group: Fluorescence/luminescence spectroscopy. | |
| 4-(Methylsulfonyl)phenol | analytical standard. Group: Pesticides & metabolites standards. | |
| 4-Methylumbelliferyl 4-guanidinobenzoate hydrochloride hydrate | ?85% (HPLC). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methylumbelliferyl acetate | esterase substrate. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methylumbelliferyl ?-D-fucoside | glycosidase substrate. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methylumbelliferyl ?-D-galactopyranoside | ?98% (TLC). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methylumbelliferyl ?-D-glucopyranoside | ?-glucosidase substrate. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methylumbelliferyl ?-D-mannopyranoside | ?97% (HPLC). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methylumbelliferyl ?-D-N,N?-diacetylchitobioside hydrate | ?98% (TLC). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methylumbelliferyl ?-D-N,N?,N??-triacetylchitotrioside | fluorogenic glycanase substrate. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methylumbelliferyl ?-L-fucopyranoside | ?97% (TLC). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methylumbelliferyl N-acetyl-?-D-galactosaminide | ?98% (HPLC). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methylumbelliferyl N-acetyl-?-D-glucosaminide | suitable for fluorescence, ?99.0% (TLC). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methylumbelliferyl N-acetyl-?-D-glucosaminide | ?-N-acetylhexosaminidase substrate. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methylumbelliferyl phosphate disodium salt | phosphatase substrate. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Methylumbelliferyl p-trimethylammoniocinnamate chloride | powder. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitro-7-piperazinobenzofurazan | for HPLC derivatization, ?99.0%. Group: Derivatization reagents hplc. | |
| 4-Nitrophenol-2,3,5,6-d4 | analytical standard. Group: Pesticides & metabolites standards. | |
| 4-Nitrophenyl 4-guanidinobenzoate hydrochloride | protease inhibitor and substrate. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl butyrate | ?98%. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-D-cellobioside | ?98% (TLC). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-D-fuco-pyran-oside | ?98% (TLC). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-D-galacto-pyran-oside | ?98% (enzymatic). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-D-glucopyranoside | ?99%. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-D-glucopyranoside | ?98% (TLC). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-D-glucuronide | ?99.0% (TLC). Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-D-lactopyranoside | powder. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-D-maltoside | ?-maltosidase substrate. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-D-mannopyranoside | ?-mannosidase substrate. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-D-mannopyranoside | ?98%. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-D-xylopyranoside | ?98%. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-D-xylopyranoside | ?-xylosidase substrate. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-L-arabinopyranoside | arabinosidase substrate. Group: Fluorescence/luminescence spectroscopy. | |
| 4-Nitrophenyl ?-L-fuco-pyran-oside | ?98% (TLC). Group: Fluorescence/luminescence spectroscopy. | |
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