Chemicals Standards D
-
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…
-
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…
-
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 . …
-
dGTP, 100mM, 40 µmol
bioWORLDUltra Pure Grade 2'-Deoxyguanosine-5'-triphosphate Stability (-20°C): >1year Max wavelength (nm) : 250-254
-
Assurance® Grade Dysprosium Single-Element Standard
SPEX CertiPrepAA & ICP Assurance® Grade CRMs are designed for AA and ICP and are available in single and multi-element formulations. 70 Elements are available as single-element standards and are available at 1, 000 µg/mL and/or 10, 000 µg/mL. Application: For AA and ICP
-
A stable-labled internal standard suitable for quantitation of desipramine levels in urine, serum, or plasma by LC/MS or GC/MS for urine drug testing, clinical toxicology, forensic analysis, or isotope dilution methods. Desipramine is a tricyclic antidepressant (TCA) sold under the brand names…
-
-
Delorazepam, also known as chlordesmethyldiazepam and nordiclazepam, is a long acting benzodiazepine. Delorazepam is also an active metabolite of the benzodiazepine drugs diclazepam and cloxazolam. This stable-labeled internal standard is suitable for use in LC/MS or GC/MS benzodiazepine testing…
-
Matrix: H2O Min: >= 995 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility
-
Dibutylone is a synthetic stimulant of the amphetamine and cathinone classes also known as bk-DMBDB. Significant abuse of this designer drug has been reported in Europe and the US. This Certified Spiking Solution(R) is suitable as starting material in calibrators and controls for GC/MS or LC/MS…
-
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
-
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…
-
Diclazepam, also known as, chlorodiazepam and 2'-chloro-diazepam, is a benzodiazepine and functional analog of diazepam that has emerged on the designer drug market. This stable-labeled internal standard is suitable for quantification of diclazepam by LC/MS or GC/MS for clinical toxicology,…
-
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 B. This standard can be used for multiple HPLC applications including pharmaceutical…
-
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…
-
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 Related Compound B. This standard can be used for multiple HPLC applications including…
-
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 . …
-
-
-
-
-
-
Dextran sulfate
bioWORLDA glycosaminoglycan that acts as a precipitant for high density lipo- proteins (HDLs). Used in hybridization protocols where it effectively increases the probe concentration accelerating the rate of annealing. Ultra Pure Grade Moisture: <10.0% Heavy metals (as Pb): <0.005% …
-
Dexmethylphenidate, sold under the brand name Focalin among others, is the active dextrorotatory enantiomer of methylphenidate. Dexmethylphenidate is a central nervous system (CNS) stimulant prescribed for treatment of attention deficit hyperactivity disorder (ADHD). This Certified Spiking…
-
Diclazepam, also known as, chlorodiazepam and 2'-chloro-diazepam, is a benzodiazepine and functional analog of diazepam that has emerged on the designer drug market. This Certified Spiking Solution(R) is suitable as starting material in calibrators and controls for use in LC/MS or GC/MS…
-
24 Component Mix in Dimethyl Sulfoxide
SPEX CertiPrepWhile the legalization of cannabis, for both medicinal and recreational purposes, has been gaining speed, legislation and regulation has not necessarily kept pace. Even so, out of a drive for self-regulation and significant consumer safety concerns, many producers and manufacturers are turning to…
-
-
-
DISODIUM EDTA, Primary Standard
GFS ChemicalsComplexing agent used to determine many metal ions by titration
-
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…
-
Disulfiram
MilliporeSigmaAnalysis Note These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available. Application Alcohol dehydrogenase inhibitor. General description Pharmaceutical secondary standards for application in quality control provide…
-
Diphenhydramine N-oxide is a major metabolite of diphenhydramine. Diphenhydramine is an antihistamine sold over the counter under the trade name Benadryl and in other over the counter medications such as Tylenol PM, Advil PM, and Excedrin PM. Dihydramine is also consumed recreationally as a…