Reference Standards

Reference Standards

Reference standards are highly purified, well-characterized substances used to verify the identity, purity, potency, and analytical performance of laboratory measurements. They serve as essential benchmarks in chemical analysis, pharmaceutical quality control, environmental monitoring, and food testing. Reference standards ensure the accuracy and reproducibility of analytical methods by providing traceable calibration materials compliant with international metrological guidelines. Their preparation involves rigorous purification, structural confirmation, stability testing, and certification of assigned values. These standards are critical for method development, instrument calibration, system suitability testing, and regulatory compliance. By establishing analytical comparability across laboratories and industries, reference standards support scientific reliability and strengthen global quality assurance frameworks.

1-Propanamine, 3-(Dibenzb,Eoxepin-11(6H)-Ylidene-1,2,3,4-D4)-n-Methyl-, (E)- CAS NO 131061-02-4

Unit Price:Get Price

CAS No.:131061-02-4

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Lidocaine Impurity 43 CAS NO 131081-28-2

Unit Price:Get Price

CAS No.:131081-28-2

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

D-Β-Homophenylalanine, Hplc 98% CAS NO 131270-08-1

Unit Price:Get Price

CAS No.:131270-08-1

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

n-(2-o-(2-Acetamido-1,2,3,5-Tetradeoxy-1,5-Iminoglucitol-3-Yl)Lactoyl)Alanyl-Isoglutamine CAS NO 131432-97-8

Unit Price:Get Price

CAS No.:131432-97-8

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

S(-)-Win 55 212-3 Mesylate CAS NO 131543-25-4

Unit Price:Get Price

CAS No.:131543-25-4

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Betaxolol Impurity CAS NO 131564-69-7

Unit Price:Get Price

CAS No.:131564-69-7

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Opc 21268 CAS NO 131631-89-5

Unit Price:Get Price

CAS No.:131631-89-5

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Scammonin I CAS NO 131747-25-6

Unit Price:Get Price

CAS No.:131747-25-6

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Go to Page

Why choose US

Trusted Manufacturer

With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.

Rigorous Quality Assurance

Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.

Advanced R&D Expertise

Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.