Skip to Content

Reference Standards


Peak Performance™ certified reference standards

Standardize Your Standards

CPI International provides a comprehensive portfolio of reference materials and standards to support analytical testing across industries. From inorganic and organic standards to cannabis, food safety, microbiology, and environmental solutions, our selection of standards is designed to meet the diverse needs of modern laboratories.

  • Certified Reference Materials (CRMs): Produced in ISO 17034–accredited facilities for accuracy and traceability.
  • Reference Materials (RMs): Manufactured and tested in ISO/IEC 17025–accredited laboratories.
  • Application-Specific Standards: Covering spectroscopy, chromatography, mass spectrometry, microbiology, and wet chemistry methods.
  • Custom Standards: Tailored formulations to reduce workload, improve efficiency, and support regulatory compliance in your industry.

Set up Auto-ship and relax in the knowledge that you'll never run out of your critical standards again!


Premium Quality
Standards Reduce
Reworks

Certified, Traceable,
Accountable
Lower Your
Cost Per Test
Custom Standards
Available @ Fast
Turnaround
Private Label Available
for Small Distributors
Predictable Cost with
Auto-Shipment
24-Hour Quotes on stock standards and custom mixes
Late Order
Cutoff Time

Butyraldehyde Solution, 100 mg/L, 1 ml
Item number Z-011114-05
23.00 23.0 USD
32.00 32.0 USD
121.00 121.0 USD
111.00 111.0 USD
41.00 41.0 USD
62.00 62.0 USD
74.00 74.0 USD
Benzo(e)pyrene, 1,000 mg/L, 1 ml
Item number Z-010619-04
48.00 48.0 USD
1,010.00 1010.0 USD
Custom 8270 BNA Mix, 8-38, 2000 mg/L, 4 x 1 ml
Item number Z-116473-02-4PAK
408.00 408.0 USD
Conductivity Standard 2,000 µS/cm
Choose from 500mL, 1L, 4L, 10L, and 20L options.
20.00 20.0 USD
Benzaldehyde Solution, 100 mg/L, 1 ml
Item number Z-010442-05
25.00 25.0 USD
Conductivity Standard 70 µS/cm
Choose from 500mL, 1L, 4L, 10L, and 20L options.
20.00 20.0 USD
Custom Pesticide Mix, 11-83, 1000 mg/L, 5 x 1 mL
Item number: Z-134950-01-5PAK
1,093.00 1093.0 USD
Custom PAH Mix, 25-24, 500 mg/L, 5 x 1 ml
Item number Z-116792-01-5PAK
790.00 790.0 USD
Custom VOC Mix, 4-56, 2000 mg/L, 1 ml
Item number Z-122754-02
61.00 61.0 USD
233.00 233.0 USD