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Organic, Inorganic, Microbiology, & PT for Cannabis & Hemp Testing

We offer the broadest selection of cannabis analytical reference materials and proficiency testing for cannabis and hemp to ensure accuracy in your analyses. ZeptoMetrix—together with Spex®, NSI, and Chiron—provides ISO 17034–certified reference materials (CRMs) for common contaminants (residual solvents, pesticide residues, heavy metals) and qualitative analyses. As the industry evolves, we continuously update our offerings to match its pace.

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Parathion methyl Parathion methyl
SKU: 572-A

Parathion methyl

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Naled in Methanol Naled in Methanol
SKU: 54860

Naled in Methanol

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Naled Naled
SKU: 54860-HA

Naled

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Naled Naled
SKU: 54860-A

Naled

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Naled in Acetonitrile Naled in Acetonitrile
SKU: 54860-AC

Naled in Acetonitrile

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Mevinphos (Phosdrin) Mevinphos (Phosdrin)
SKU: 54640

Mevinphos (Phosdrin)

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Mevinphos (Phosdrin) Mevinphos (Phosdrin)
SKU: 54640-HA

Mevinphos (Phosdrin)

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Methiocarb in Acetonitrile Methiocarb in Acetonitrile
SKU: 54500

Methiocarb in Acetonitrile

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Methiocarb in Acetone Methiocarb in Acetone
SKU: 54500-1

Methiocarb in Acetone

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  • Brand NSI
  • Matrix Acetone
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Malathion Malathion
SKU: 54260-HA

Malathion

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
  • Top rated
Method 531 Analyte Mix A, 100 µg/mL Method 531 Analyte Mix A, 100 µg/mL
SKU: 5311-A10

Method 531 Analyte Mix A, 100 µg/mL

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  • Brand Spex
  • Matrix HPLC Acetonitrile
  • Concentration 100 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
Chlorpyrifos Chlorpyrifos
SKU: 52900-A

Chlorpyrifos

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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