Chemicals Standards D
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A stable-labeled internal standard suitable for quantitation of 1,25-Dihydroxyvitamin D3 levels by LC-MS/MS. 1,25-Dihydroxyvitamin D3, also known as calcitriol, is a hormonally active metabolite of vitamin D responsible for regulating calcium. Measurement of 1,25-Dihydroxyvitamin D3 is used to…
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DC-Calibrator (Multi-Analyte)
Sekisui DiagnosticsFor use as a calibrator in clinical chemistry assays. Once reconstituted with the diluent provided, the calibrator is stable for 72 hours at 2-8°C, with the following exceptions: Direct Bilirubin should be performed within 8 hours. Assays for Alkaline Phosphatase, Total Bilirubin, and…
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Molecular Formula: C21H27D3O2 Molecular Weight: 317.48 Linear Structural Formula: C21H27D3O2 Storage: -20C Legal Information: Snap-N-Spike is a registered trademark of Cerilliant Corporation
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Didymium Oxide Wavelength Calibration Standard
GFS ChemicalsDidymium oxide (4%) in 10% v/v perchloric acid. Sealed in a far UV quartz cell for wavelength scale accuracy. For both UV and visible region of the spectrum.
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Also known as diethylcathinone or amfepramone, diethylpropion is a stimulant and appetite suppressant drug of the phenethylamine, amphetamine, and cathinone chemical classes. This new internal standard is suitable for numerous GC/MS and LC/MS applications from forensic analysis and clinical…
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1000 ppm Dysprosium for ICP
Inorganic VenturesInorganic Ventures' 1000 ppm Dysprosium for ICP is a certified reference material set in a nitric acid matrix for stability. This dysprosium standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …
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Also known as diethylcathinone or amfepramone, diethylpropion is a stimulant and appetite suppressant drug of the phenethylamine, amphetamine, and cathinone chemical classes. This reference standard is applicable for use in urine drug testing, clinical toxicology, or forensic analysis by LC-MS/MS…
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1000 ppm Dimethylamine for IC
Inorganic VenturesInorganic Ventures' 1000 ppm Dimethylamine for IC is a certified reference material set in a hydrochloric acid matrix for stability. This dimethylamine standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …
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Decachlorobiphenyl (BZ #209)
RestekCompound: Decachlorobiphenyl (BZ #209) CAS #: 2051-24-3 Conc. in Solvent and Volume: 200 μg/mL in acetone, 5 mL/ampul Max Shelf Life on Ship Date: 75 months Min Shelf Life on Ship Date: 6 months Certified Reference Material (CRM): Yes
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DISODIUM EDTA, Primary Standard
GFS ChemicalsComplexing agent used to determine many metal ions by titration
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A reagent with high buffering capacity Synonym: Disodium Hydrogen Phosphate; Sorensen's Phosphate Loss on drying: 18.0 - 22.0% Arsenic (As): 3µg/g Fluoride: 0.005% Insolubles: 0.2%
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Dihydrocodeine-6β-D-glucuronide is a major urinary metabolite of dihydrocodeine, an opiate used for treatment of moderate to severe pain and as an antitussive. Dihydrocodeine is twice as potent as codeine and is frequently abused in Europe and in Asia. This Certified Spiking Solution(R) is…
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A Certified Snap-N-Spike(R) Solution for use in clinical toxicology, forensic analysis, or urine drug testing applications by LC/MS or GC/MS. Dimethylone, also known as bk-MDDMA, is a designer drug of the phenethylamine, amphetamine, and cathinone chemical classes with potential psychotropic…
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Doxepin is a tricyclic antidepressant used for the treatment of sleep maintenance. This internal standard is applicable for doxepin testing or isotope dilution methods by GC/MS or LC/MS for clinical toxicology, urine drug testing, or forensic analysis applications. Molecular Formula: C19H18D3NO…
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spex® 1, 4-Dioxane-d8 Single-Component Organic Standard
SPEX CertiPrepSingle-component standards are available as stock items. They are supplied in methanol, or in another solvent, where appropriate. Additional solvents include methylene chloride, acetone, benzene, hexane, acetonitrile, THF and water. Please inquire about the matrix for a particular item when…
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Diphenhydramine is an active ingredient that is used to treat symptoms caused by histamines suffered because of the common cold or allergies. This certified solution standard contains Diphenhydramine Impurity C. This standard can be used for multiple HPLC applications including pharmaceutical…
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spex® Diuron Single-Component Organic Standard
SPEX CertiPrepSingle-component standards are available as stock items. They are supplied in methanol, or in another solvent, where appropriate. Additional solvents include methylene chloride, acetone, benzene, hexane, acetonitrile, THF, and water. Please inquire about the matrix for a particular item when…
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Deschloroetizolam, also known as Etizolam-2, is the dechlorinated analog of etizolam. Deschloroetizolam has been shown short-acting psychoactive effects and is sold as a designer drug with half the potency of its parent compound etizolam. It is not prescribed and is not recognized as a controlled…
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dGTP, 100mM, 40 µmol
bioWORLDUltra Pure Grade 2'-Deoxyguanosine-5'-triphosphate Stability (-20°C): >1year Max wavelength (nm) : 250-254
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Delorazepam, also known as chlordesmethyldiazepam, is a long acting benzodiazepine. Delorazepam is also an active metabolite of the benzodiazepine drugs diclazepam and cloxazolam. This Certified Spiking Solution(R) is suitable for use as starting material in calibrators or controls for a variety of…
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Matrix: H2O Min: >= 995 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility
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