Toxicology Stable IsotopesToxicology Stable Isotopes

A NEW product range of isotopically labelled internal standards for toxicology analysis by LC-MS/MS and GC-MS/MS including the common Benzodiazepines.

13C and 15N internal standards enable the accurate determination of the analyte of interest and provide the advantage of:

  • Co-elution with analyte
  • Correction for sample to sample matrix variation
  • No loss of deuterium on the instrument or in solution
  • No detectable unlabelled material
  • Many offered in ready to use certified solutions

Please note that many of these products can be considered Controlled Substances and may require licensing with the appropriate authorities prior to shipment. Please contact us for further information regarding licensing and shipment.

Please see the reference materials listed below or enter a product code, CAS number, description or other keywords in the Search field below. If you are unable to locate the reference standard or the format you require, please contact us with your requirements, we will be delighted to help.

Product Listings for Toxicology Stable Isotopes

 CodeItemCAS No.Unit
ISS16012-0.05/50UG/1
Amphetamine-[13C6] Hydrochloride, 50µg/ml
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1462-73-31ml
ISS17147/50UG/1
Clobazam-[13C6], 50µg/ml
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 1ml
ISS17148/50UG/1
Clonazepam-[13C6], 50µg/ml
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 1ml
ISS17047/50UG/1
Codeine-[13C3,15N], 50µg/ml
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 1ml
ISS16108-0.05/50UG/1
Codeine-[13C4,15N], 50µg/ml
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 1ml
ISS17048/50UG/1
Codeine-6ß-[13C3,15N] Glucuronide 50µg/ml
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 1ml
ISS16110-0.05/50UG/1
Codeine Glucuronide-[13C10,15N], 50µg/ml
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 1ml
ISS17149/50UG/1
Diazepam-[13C6], 50µg/ml
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 1ml
 D-2467/0.01
Diazepam-d5 (phenyl-d5), neat
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65854-76-40.01g
D-2467/0.05
Diazepam-d5 (phenyl-d5), neat
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65854-76-40.05 g
D613S010ANVC
Diazepam D5 (phenyl D5), 10µg/ml in Acetonitrile - A2S certified
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65854-76-41.1ml
D613S100ANVC
Diazepam D5 (phenyl D5), 100µg/ml in Acetonitrile - A2S certified
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65854-76-41.1ml
D613S01MANVC
Diazepam D5 (phenyl D5), 1000µg/ml in Acetonitrile - A2S certified
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65854-76-41.1ml
ISS17153/50UG/1
Lorazepam-[13C6, 15N], 50µg/ml
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 1ml
ISS16013-0.05/50UG/1
Methamphetamine-[13C6] Hydrochloride, 50µg/ml
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 1ml
ISS16014-0.05/50UG/1
(±)-3,4-Methylenedioxyamphetamine-[13C6] Hydrochloride, 50µg/ml
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 1ml
ISS16015-0.05/50UG/1
(±)-3,4-Methylenedioxy-N-ethylamphetamine-[13C6] Hydrochloride, 50µg/ml
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 1ml
D-6871/0.05
(±)-3,4-Methylenedioxy-N-methyl-d3-amphetamine HCl, neat
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1246820-07-40.05 g
NLT-16-002
Naltrexone methylbromide-d3
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73232-52-7 (unlabelled)0.01g
ISS17154/50UG/1
Midazolam-[13C6], 50µg/ml
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 1ml
D-6817/0.005
Midazolam-d7 (1-methyl-d3-4H-imidazo-3-d1; 2-fluorophenyl-3,, neat
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1219805-42-10.005g
ACB-161028-0049
Midazolam-d3 (controlled)
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59467-70-8 (unlabelled)Enquire
ISS17050/50UG/1
Morphine-[13C3,15N] 50µg/ml
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 1ml
ISS16107/50UG/1
Morphine-[13C4,15N], 50µg/ml
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 1ml
ISS17051/50UG/1
Morphine-6ß-[13C3,15N] Glucuronide 50µg/ml
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 1ml
ISS16109-0.05/50UG/1
Morphine Glucuronide-[13C10,15N], 50µg/ml
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 1ml
NLT-16-003
Naltrexone-d4
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16590-41-30.01g
ISS18009/50UG/1
Naltrexone-[13C3,15N], 50µg/ml
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 1ml
ISS17156/50UG/1
Nordiazepam-[13C6], 50µg/ml
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 1ml
N570S010MEVC
Nordiazepam D5 (phenyl D5), 10µg/ml in Methanol - A2S certified
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65891-80-71.1ml
N570S100MEVC
Nordiazepam D5 (phenyl D5), 100µg/ml in Methanol - A2S certified
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65891-80-71.1ml
N570S01MMEVC
Nordiazepam D5 (phenyl D5), 1000µg/ml in Methanol - A2S certified
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65891-80-71.1ml
ISS17158/50UG/1
Oxazepam-[13C6], 50µg/ml
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 1ml
ISS17159/50UG/1
Prazepam-[13C6], 50µg/ml
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 1ml
D-7148/0.01
Prazepam-d5 (phenyl-d5), neat
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152477-89-90.01 g
IS11035/2
Ricinine-[2H3]
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1313734-77-82mg
IS11035/5
Ricinine-[2H3]
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1313734-77-85mg
ISS17160/50UG/1
Temazepam-[13C6], 50µg/ml
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 1ml
IS15397/1
Toxoflavin-[13C4]
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 1mg
ISS18040/50UG/1
Triazolam-[13C6], 50µg/ml
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 1ml
ISS18044/50UG/1
Zolpidem-[13C2,15N], 50µg/ml
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 1ml
 Z502S010ANVC
Zolpidem D6 L-(+)-Hemitartrate (N,N-dimethyl D6), 10µg/ml in Acetonitrile - A2S certified
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 1.1ml
 Z502S100ANVC
Zolpidem D6 L-(+)-Hemitartrate (N,N-dimethyl D6), 100µg/ml in Acetonitrile - A2S certified
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 1.1ml
 Z502S01MANVC
Zolpidem D6 L-(+)-Hemitartrate (N,N-dimethyl D6), 1000µg/ml in Acetonitrile - A2S certified
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 1.1ml
 ACA-170630-0001
Zolpidem-d6 (controlled)
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959605-90-40.01g
D-7545/0.01
Zolpidem-d6 L-(+)-Hemitartrate (N,N-dimethyl-d6), neat
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 0.01g

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