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…

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…

Didymium 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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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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Inorganic Ventures' 10,000 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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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…