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  • A stable-labeled internal standard suited for quantification of N-desmethylclomipramine levels in urine or other matrices by LC/MS or GC/MS for clinical toxicology, urine drug testing, or forensic analysis applications. N-Desmethylclomipramine is a primary plasma metabolite of the tricyclic…

  • N-Desmethyl U-47700 is the primary urinary metabolite of U-47700. A certified Snap-N-Spike(R) solution suitable for use as starting material in calibrators and controls in N-Desmethyl U-47700 LC/MS or GC/MS testing methods for clinical toxicology, urine drug testing or forensic analysis…

  • N-Desmethyl-cis-tramadol is a primary urinary and plasma metabolite of the synthetic analgesic tramadol. Tramadol, sold under trade names Ultram, Conzip, and Ryzolt, relieves moderate to severe pain. This stable-labeled internal standard is suitable for the quantitation of N-Desmethyl-cis-tramadol…

  • Storage: 2-8C Application: Refer to the product's Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. Legal Information: TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC Other Notes: This Certified…

  • Norfluoxetine is a primary metabolite of the selective serotonin reuptake inhibitor (SSRI) fluoxetine, an antidepressant. This internal standard is suitable for quantitation of norfluoxetine levels in urine, serum, or plasma by LC/MS or GC/MS for urine drug testing, clinical toxicology, or forensic…

  • A stable-labeled internal standard suitable for numerous quantitative LC/MS and GC/MS applications in forensic analysis, clinical toxicology testing, pharmaceutical analysis and isotope dilution methods. Naloxone is an opiate drug used to counter the effects of opioid overdose. Molecular…

  • Norbuprenorphine glucuronide is a urinary metabolite of the semi-synthetic opioid analgesic buprenorphine. Buprenorphine, sold under the trade names Temgesic and Subutex, is prescribed for the treatment of chronic pain and heroin addiction. This internal standard is suitable for quantitation of…

  • A certified Snap-N-Spike(R) solution suitable as starting material in calibrators or controls in LC/MS or GC/MS n-desmethylzopiclone testing methods for applications such as urine drug testing, clinical toxicology, or forensic analysis. N-desmethylzopiclone is a primary, inactive metabolite of…

  • Synonyms: Sodium nitrite solution Formula: NaNO2 Formula Weight: 69.00 CAS No.: 7632-00-0 Density: 1.00 g/mL at 20 °C Storage Temperature: 2-8°C General description: Visit our Sensor Applications portal to learn more. Preparation Note: prepared with NaNO 2 and H…

  • pH: 4.4 (H2O, 20°C) Solubility: (20°C) soluble Density: 1.04 g/cm3 (20°C)

  • Synonyms: (-)-1-Methyl-2-(3-pyridyl)pyrrolidine; (S)-3-(1-Methyl-2-pyrrolidinyl)pyridine CAS Number: 54-11-5 Formula: C10H14N2 Formula Weight: 162.23 Linear Formula: C10H14N2 MDL No.: MFCD00006369 Purity: >=99% (GC) Density: 1.010 g/mL at 20 C(lit.) Refractive Index: n20/D…

  • General description: This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO Guide 34 . This CRM is traceable to SI unit kg and measured against NIST- and BAM-CRM. Certified content incl. uncertainty and expiry date are given on label. Download…

  • A certified solution standard of Naltrexone-3-ß-D-glucuronide, a metabolite of the opiate Naltrexeone. Sold under the trade names Revia, Depade and Vivitrol, naltrexone is prescribed primarily for the management of alcohol or opiate dependence. This analytical reference standard is applicable…

  • N-Desmethylclozapine is an active metabolite of Clozapine, an atypical antipsychotic drug used for treatment of schizophrenia. Clozapine is sold under the trade names Clozaril and FrazaClo in the US. This Snap-N-Shoot(R) stable-labeled internal standard is suitable for quantitation of…

  • General description: This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO Guide 34 . This CRM is traceable to SI unit kg and measured against NIST- and BAM-CRM. Certified content incl. uncertainty and expiry date are given on label.…

  • Nortetrazepam is a major metabolite of tetrazepam. A certified Snap-N-Spike(R) solution suitable for use as starting material in calibrators and controls for nortetrazepam LC/MS or GC/MS testing methods in clinical toxicology, urine drug testing or forensic analysis applications. Molecular…

  • An internal standard suitable for norfentanyl testing of urine, blood, or hair samples or isotope dilution methods by GC/MS or LC/MS in applications such as pain prescription monitoring, clinical toxicology, urine drug testing, or forensic analysis. Norfentanyl is a major urinary metabolite of…

  • N-Desmethylclobazam-13C6 is a stable-labeled structural isomer of N-Desmethylclobazam, also known as norclobazam. This standard is suitable for quantification of N-Desmethylclobazam levels in urine or other matrices by LC/MS or GC/MS for clinical toxicology, urine drug testing, or forensic analysis…

  • A long-term urinary metabolite of hydromorphone, a very potent opioid analgesic marketed under brand names including Palladone and Dilaudid. Hydromorphone is often used medicinally as an alternative to morphine for treatment of pain or as a cough suppressant for painful coughing resulting from…

  • pH: 7 (H2O, 20°C) Solubility: (20°C) soluble Density: 1.001 g/cm3 Ignition Point: 7 (H2O, 20°C)

  • N-Ethylpentylone, also known as Ephylone, is a stimulant and designer drug found in "bath salts". These synthetic cathinones offer recreational uses that mimic the effects of illegal drugs such as cocaine, methamphetamine, and LSD. This Certified Spiking Solution(R) is suitable as starting material…

  • This internal standard Certified Spiking Solution(R) is applicable to numerous GC/MS and LC/MS applications including quantitation of patient levels, forensic and forensic toxicology analysis, isotope dilution methods, and calibrator preparation. Norquetiapine is a primary active metabolite of…

  • Ephedrine is a methamphetamine analog commonly used as a stimulant and appetite suppressant. It is also found as an active constituent in herbs used for traditional Chinese medicine, such as má huáng. This certified reference standard can be used Snap-N-Spike(R) as a starting material in the…

  • A stable-labeled internal standard for ephedrine testing or isotope dilution methods by GC/MS or LC/MS for clinical toxicology, urine drug testing, forensic analysis, or sports testing. Norephedrine, also known as phenylpropanolamine, is a stimulant, decongestant, and anorectic drug commonly used…

  • N-Ethylpentylone, also known as Ephylone, is a stimulant and designer drug found in "bath salts". These synthetic cathinones offer recreational uses that mimic the effects of illegal drugs such as cocaine, methamphetamine, and LSD. An internal standard suitable for quantification of…

  • pH: 3 (H2O, 20°C) Solubility: (20°C) not applicable Density: 1.000 g/cm3 (20°C) Ignition Point: 3 (H2O, 20°C)

  • Naloxone-3-β-D-glucuronide is a major urinary metabolite of naloxone, an opiate drug used to counter the effects of opioid overdose. This stable-labeled internal standard of naloxone-3-β-D-glucuronide is suitable for quantitation of naloxone glucuronide metabolite levels using LC-MS/MS or…

  • A stable-labeled internal standard applicable for quantitation of hydrocodone levels in urine, serum or plasma by LC/MS or GC/MS for pain prescription monitoring, urine drug testing, clinical toxicology, forensic analysis or pharmaceutical research. Norhydrocodone is a primary urinary metabolite of…

  • Naloxone-3ß-D-glucuronide is a major urinary metabolite of naloxone, an opiate drug used to counter the effects of opioid overdose. This certified reference solution is suitable as starting material for preparation of calibrators and controls in naloxone testing by LC/MS or GC/MS for forensic…

  • Norverapamil is a primary urinary metabolite of verapamil, a calcium channel blocker used in the treatment of hypertension, angina pectoris, and cardiac arrhythmia. Verapamil is also an effective preventive medication for migraines. This Certified Reference Material is applicable for use as…

  • 6alpha-Naloxol is a metabolite of naloxone, an opiate drug used to counter the effects of opioid overdose. This certified reference solution is suitable as starting material for preparation of calibrators and controls in naloxone testing by LC/MS or GC/MS for forensic analysis, urine drug testing,…

  • N-Ethylhexedrone, also known as a-ethylaminocaprophenone, N-ethylnorhexedrone and NEH, is a stimulant of the cathinone class. A Snap-N-Spike(R) reference solution applicable for use in urine drug testing, clinical toxicology, and forensic analysis by LC-MS/MS or GC/MS. Molecular Formula: …

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