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Chromatography Standards

Frequently used for calibration, chromatography standards have a known concentration to test separating equipment for performance faults.
Drug Standards (11,703)
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3,421 – 3,435 of 23,185 results
3,421

Leflunomide Related Compound A Pharmaceutical Secondary Standard, MilliporeSigma™ Supelco™

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

3,426

PESTANAL™ Nitrobenzene, ≥99% (GC), MilliporeSigma™ Supelco™

Nitrobenzene is a carcinogenic compound which has been employed extensively in dyes, pesticides and explosives industries.

Boiling Point 210°C to 211°C
Linear Formula C6H5 NO2
Grade Analytical Standard
Ignition Point 899°F
Density 1.196 g/mL (at 25°C)
Vapor Density 4.2 (vs. air)
Vapor Pressure 0.15 mmHg (20°C)
Type Analytical Standard
Percent Purity ≥99% (GC)
CAS 98-95-3
MDL Number MFCD00007043
Flash Point 88°C
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 123.11
Melting Point 5°C to 6°C
Product Line PESTANAL
3,429

Carbon tetrachloride, ≥99.95% (GC), MilliporeSigma™ Supelco™

Boiling Point 76°C to 77°C
Linear Formula CCl4
Grade Analytical Standard
Density 1.594 g/mL (at 25°C)
Vapor Density 5.32 (vs. air)
Vapor Pressure 143 mmHg (30°C)
Type Analytical Standard
Percent Purity ≥99.95% (GC)
CAS 56-23-5
MDL Number MFCD00000785
Synonym Tetrachloromethane
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 153.82
Melting Point -23°C
3,430

PESTANAL™ Captan, MilliporeSigma™ Supelco™

Captan, an agricultural fungicide, reacts with sulfhydryl group to release thiophosgenes which can denature proteins. It has carcinogenic and teratogenic properties which can cause oral toxicity to birds and mammals.

3,431

PESTANAL™ Allyl isothiocyanate, 99.7% (GC), MilliporeSigma™ Supelco™

Allyl isothiocyanate is a naturally occurring compound in plants, and antibacterial agent, which belongs to the class of cruciferae. It can also serve as a promising candidate that can show anti-cancer activity in both cultured cells and animal models.

3,434

PESTANAL™ Propanil, MilliporeSigma™ Supelco™

Propanil is a contact, post-emergence herbicide, used in the cultivation of irrigated rice. Its mode of action involves controlling, the electron transport inhibition of photosynthesis in herbs of wide leaves.