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Synonyms: β-Galactosidase Test Disks; 2-Nitrophenyl-β-D-galactopyranoside Disks Storage Temperature: 2-8°C General description: ONPG Disks are used to detect the presence of β-galactosidase, an enzyme found in lactose-fermenting organisms. Lactose utilization depends upon two enzymes:...
Empirical Formula: C8H24O2Si3 Linear Formula: [(CH3)3SiO]2Si(CH3)2 Formula Weight: 236.53 MDL Number: MFCD00008264 Purity: 98% Boiling Point: 153 °C(lit.) Melting Point:...
Synonyms: 1-Aminooctadecane; Stearylamine CAS Number: 124-30-1 Formula: C18H39N Formula Weight: 269.51 Linear Formula: CH3(CH2)17NH2 MDL No.: MFCD00008159 Purity: >=99.0% (GC) Boiling Point: 232 C/32 mmHg(lit.) Melting Point: 50-52 C (lit.); 52-55 C Beilstein Registry Number: 636111 EC Number:...
Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards. Synonyms: Oxybutynin chloride; alpha-Phenylcyclohexaneglycolic acid...
Synonym(s): 1-Oxo-1-[5-(2-pyridyl)oxazol-2-yl]-7-phenylheptane; 7-Phenyl-1-[5-(2-pyridinyl)-2-oxazolyl]-1-heptanone; OL 135 Empirical Formula: C21H22N2O2 Linear Formula: C21H22N2O2 Formula Weight: 334.41 Purity:...
analytical standard Synonym(s): 4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt; Acid Orange 7; Acid Orange A; Orange II; Tropaeolin 000 No. 2 Empirical Formula: C16H11N2NaO4S Formula Weight: 350.32 Linear Formula:...
Synonym(s): Ethyl pentyl carbinol Empirical Formula: C8H18O Linear Formula: CH3(CH2)4CH(OH)CH2CH3 Formula Weight: 130.23 MDL Number: MFCD00004590 Purity: 99% Boiling Point: 174-176 °C(lit.) Density:...
Grade: USP CAS No.: 50-56-6 UN No.: UN2811 Class: 6.1 Pkg. Group: PG II
Synonym(s): O -(1,2-Dihydro-2-oxo-1-pyridyl)- N , N , N '- N '-tetramethyluronium tetrafluoroborate; TPTU Empirical Formula: C10H16BF4N3O2 Linear Formula: C10H16BF4N3O2 Formula Weight:...
BioSyn™, suitable for use with DNA/RNA synthesis instruments, 0.05M Iodine in 80/10/10 Acetonitrile/Pyridine/Water (v/v)
United States Pharmacopeia (USP) Reference Standard Synonym(s): (11Z)-11-[3-(Dimethylamino)propylidene]-6,11-dihydrodibenz[b,e]oxepin-2-acetic acid hydrochloride; AL-4943A; KW-4679; Opatanol; Patanol Empirical Formula: C21H23NO3-+HCl Formula Weight: 373.87 Linear...
Synonym(s): Potassium peroxymonosulfate Empirical Formula: HKO5S -+ 0.5HKO4S -+ 0.5K2O4S Formula Weight: 307.38 Linear Formula: KHSO5 -+ 0.5KHSO4 -+ 0.5K2SO4 MDL Number: MFCD00040551 RIDADR: UN 3215 5.1 / PGIII
analytical reference material Synonym(s): 1,1'-(Oxydimethylene)bis(pyridinium-4-carbaldoxime) dichloride; Bis(4-formylpyridiniomethyl) ether dioxime; Toxogonin Empirical Formula: C14H16Cl2N4O3 Formula Weight: 359.21 Linear Formula:...
Molecular Formula: C12H8O2 Molecular Weight: 184.19 Linear Structural Formula: C12H8O2 MDL Number: MFCD00022282 Other Notes: Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of unique chemicals. Sigma-Aldrich does not collect analytical data...
analytical standard Empirical Formula: C8H24O4Si4 Formula Weight: 296.62 Linear Formula: [-Si(CH3)2O-]4 MDL Number: MFCD00003269 Purity: ≥97.0% (GC) Boiling Point: 175-176 °C(lit.) Melting Point:...
This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and...
analytical standard Synonym(s): 2-Hydroxy-4-methoxybenzophenone; Oxybenzone Empirical Formula: C14H12O3 Formula Weight: 228.24 Linear Formula: HOC6H3(OCH3)COC6H5 MDL Number: MFCD00008387 Purity: ≥98% (GC)...
Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Synonyms: Diisopropyl hydrazine-1,2-dicarboxylate; Diisopropyl bicarbamate Molecular...
United States Pharmacopeia (USP) Reference Standard Synonym(s): 2-Ethylhexyl salicylate; Octisalate; Octyl salicylate Empirical Formula: C15H22O3 Formula Weight: 250.33 Linear Formula:...
United States Pharmacopeia (USP) Reference Standard Synonym(s): Oxytetracycline dihydrate Empirical Formula: C22H24N2O9 -+ 2H2O Formula Weight: 496.46 Linear Formula: C22H24N2O9 -+ 2H2O MDL...
O-ring filter sealing silicone for 293 mm Filter Holder
analytical standard Synonym(s): β-D-Glucopyranose 1-(3,4,5-trihydroxybenzoate); β-Glucogallin; 1-O-Galloyl-β-D-glucopyranose Empirical Formula: C13H16O10 Formula Weight: 332.26 Linear Formula: C13H16O10 MDL Number:...
PESTANAL ® , analytical standard Synonym(s): 1-(4,6-Dimethoxy-2-pyrimidinyl)-3-[2-(dimethylcarbamoyl)phenylsulfamoyl]urea Empirical Formula: C16H20N6O6S Formula Weight: 424.43 Linear Formula: C16H20N6O6S MDL...
European Pharmacopoeia (EP) Reference Standard Synonym(s): Ethyl 5-ethyl-8-oxo-5,8-dihydro-1,3-dioxolo[4,5- g ]quinoline-7-carboxylate Empirical Formula: C15H15NO5 Formula Weight: 289.28 Linear Formula: C15H15NO5