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.

Desmethyldoxepin CAS NO 1225-56-5

Unit Price:Get Price

CAS No.:1225-56-5

Grade:Pharmacy Grade

Content:99.0%

Packaging:Customizable

(20S)-3Α-(Dimethylamino)-20-Hydroxypregn-5-En-18-Oic Acid Γ-Lactone CAS NO 1244-02-6

Unit Price:Get Price

CAS No.:1244-02-6

Grade:Pharmacy Grade

Content:99.0%

Packaging:Customizable

Mordant Black 13 CAS NO 1324-21-6

Unit Price:Get Price

CAS No.:1324-21-6

Grade:Pharmacy Grade

Content:99.0%

Packaging:Customizable

4',5'-Didehydro-4'-Deoxy-2',19'-Dioxo-2',19'-Secovincaleukoblastine CAS NO 1355-31-3

Unit Price:Get Price

CAS No.:1355-31-3

Grade:Pharmacy Grade

Content:99.0%

Packaging:Customizable

Galanthamine, 10-Demethyl-, Compd. With (3.Alpha.,4A.Beta.,4B.Beta.)-10-Demethyl-1,2-Dihydrogalanthamine (1:1) CAS NO 1359-83-7

Unit Price:Get Price

CAS No.:1359-83-7

Grade:Pharmacy Grade

Content:99.0%

Packaging:Customizable

Acetanilide (15N) CAS NO 1449-75-8

Unit Price:Get Price

CAS No.:1449-75-8

Grade:Pharmacy Grade

Content:99.0%

Packaging:Customizable

n-Acetyl-Glycine-15N CAS NO 1449-79-2

Unit Price:Get Price

CAS No.:1449-79-2

Grade:Pharmacy Grade

Content:99.0%

Packaging:Customizable

Perylene-D12 CAS NO 1520-96-3

Unit Price:Get Price

CAS No.:1520-96-3

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.