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Custom Reference Standards

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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.

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2026 Variant Price List
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Reference Standards

[Z-115615-06-5PAK] Custom Hydrocarbon Mix, 23-46, 50 mg/L, 5 x 1 mL
Custom Hydrocarbon Mix, 23-46, 50 mg/L, 5 x 1 mL
Item No.: Z-115615-06-5PAK
$ 609.00 609.0 USD
[Z-116025-01] Custom Nitrobenzene Mix, 7-3, 1,000 mg/L, 5 mL
Custom Nitrobenzene Mix, 7-3, 1,000 mg/L, 5 mL
Item No.: Z-116025-01
$ 272.00 272.0 USD
Buffer Solution, pH 4.01, Colorless
Buffer Solution, pH 4.01, Colorless
Choose from 500mL, 1L, 4L, 10L, and 20L options.
0.0 USD
[4400-ICAL3-100] Contract Laboratory Program (CLP) Instrument Calibration Standard #3
Contract Laboratory Program (CLP) Instrument Calibration Standard #3
Item No.: 4400-ICAL3-100
Al 2000, Cu 250, Ba 2000, Fe 1000, Be 50, V 500, Co 50in 5% HNO3. 100 mL
$ 214.00 214.0 USD
Buffer Solution, pH 6.00, Colorless
Buffer Solution, pH 6.00, Colorless
Choose from 500mL, 1L, 4L, 10L, and 20 options.
0.0 USD
[Z-011114-05] Butyraldehyde Solution, 100 mg/L, 1 mL
Butyraldehyde Solution, 100 mg/L, 1 mL
Item No.: Z-011114-05
$ 24.15 24.15 USD
[Z-010017-01] Benzo(b)fluoranthene Solution, 100 mg/L, 1 mL
Benzo(b)fluoranthene Solution, 100 mg/L, 1 mL
Item No.: Z-010017-01
$ 32.00 32.0 USD
[Z-G34-115300-03] CA Residual Solvents Category I, 6-4834, 100 mg/L, 1 mL
CA Residual Solvents Category I, 6-4834, 100 mg/L, 1 mL
Item No.: Z-G34-115300-03
$ 117.00 117.0 USD
[Z-110022-02] CLP SV Calibration Mix #1 (Anilines), 5-1, 2,000 mg/L, 1 mL
CLP SV Calibration Mix #1 (Anilines), 5-1, 2,000 mg/L, 1 mL
Item No.: Z-110022-02
$ 44.00 44.0 USD
[Z-113129-02] Benzaldehyde & Caprolactam Solution, 2000 mg/L, 1 mL
Benzaldehyde & Caprolactam Solution, 2000 mg/L, 1 mL
Item No.: Z-113129-02
$ 66.00 66.0 USD
[Z-110480-05] Benzidine & Pyridine Solution, 240 mg/L, 1 mL
Benzidine & Pyridine Solution, 240 mg/L, 1 mL
Item No.: Z-110480-05
$ 76.00 76.0 USD
[Z-010619-04] Benzo(e)pyrene, 1,000 mg/L, 1 mL
Benzo(e)pyrene, 1,000 mg/L, 1 mL
Item No.: Z-010619-04
$ 51.00 51.0 USD
[Z-116520-01-50] Custom 8270 BNA LCS Solution, 83-1, 100:50 mg/L, 4 x 25 mL
Custom 8270 BNA LCS Solution, 83-1, 100:50 mg/L, 4 x 25 mL
Item No.: Z-116520-01-50
$ 1,061.00 1061.0 USD
[Z-116473-02-4PAK] Custom 8270 BNA Mix, 8-38, 2000 mg/L, 4 x 1 mL
Custom 8270 BNA Mix, 8-38, 2000 mg/L, 4 x 1 mL
Item No.: Z-116473-02-4PAK
$ 428.00 428.0 USD
[Z-131261-01-4PAK] Custom Method 508 Pesticide Solution, 20-39, Various Concentrations, 4 x 1 mL
Custom Method 508 Pesticide Solution, 20-39, Various Concentrations, 4 x 1 mL
Item No.: Z-131261-01-4PAK
$ 377.00 377.0 USD
Conductivity Standard 2,000 µS/cm
Conductivity Standard 2,000 µS/cm
Choose from 500mL, 1L, 4L, 10L, and 20L options.
0.0 USD
[Z-010442-05] Benzaldehyde Solution, 100 mg/L, 1 mL
Benzaldehyde Solution, 100 mg/L, 1 mL
Item No.: Z-010442-05
$ 26.00 26.0 USD
Conductivity Standard 70 µS/cm
Conductivity Standard 70 µS/cm
Choose from 500mL, 1L, 4L, 10L, and 20L options.
0.0 USD
[Z-134950-01-5PAK] Custom Pesticide Mix, 11-83, 1000 mg/L, 5 x 1 mL
Custom Pesticide Mix, 11-83, 1000 mg/L, 5 x 1 mL
Item No.: Z-134950-01-5PAK
$ 1,147.00 1147.0 USD
[Z-116792-01-5PAK] Custom PAH Mix, 25-24, 500 mg/L, 5 x 1 mL
Custom PAH Mix, 25-24, 500 mg/L, 5 x 1 mL
Item No.: Z-116792-01-5PAK
$ 829.00 829.0 USD