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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 (11,700)
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2,911 – 2,925 of 23,178 results
2,911

β-Amyrin, ≥98.5% (HPLC), MilliporeSigma™ Supelco™

β-Amyrins are pentacyclic triterpenes and a large class of secondary metabolites, isolated from various plants. It exhibits gastroprotective, antipruritic and hepatoprotective activities.

2,912

PESTANAL™ Lactofen, MilliporeSigma™ Supelco™

Lactofen is a broad-spectrum post-emergent herbicide. It acts by inhibiting protoporphyrinogen oxidase by causing lipid peroxidation of the cell membrane.

2,913

(±)-1,3-Butanediol, ≥99.0% (GC), MilliporeSigma™ Supelco™

(+/-)-1,3-Butanediol is an organic alcohol with antimicrobial activity against a wide variety of pathogens.

Boiling Point 203°C to 204°C
Linear Formula CH3 CH(OH)CH2 CH2 OH
Grade Analytical Standard
Ignition Point 741°F
Density 1.005 g/mL (at 25°C)
Vapor Density 3.1 (20°C, vs. air)
Vapor Pressure 0.06 mmHg (20°C)
Type Analytical Standard
Percent Purity ≥99.0% (GC)
CAS 107-88-0
MDL Number MFCD00004554
Flash Point 108°C
Synonym 1,3-Butylene glycol
RTECS Number EK0440000
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 90.12
2,916

Caffeine Impurity E Nitrate (Caffeidine Nitrate) 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

2,919

(-)-Linalool, ≥97.0% (sum of enantiomers, GC), MilliporeSigma™ Supelco™

(-)-Linalool is a monoterpene that is an important constituent of essential oils like lavender oil.

Boiling Point 198°C
Linear Formula (CH3)2 C=CHCH2 CH2 C(CH3)(OH)CH=CH2
Physical Form Neat
Grade Analytical Standard
Density 0.862 g/mL (at 20°C)
Type Analytical Standard
Percent Purity ≥97.0% (sum of enantiomers, GC)
CAS 126-91-0
MDL Number MFCD00135469
Flash Point 76°C - Closed Cup
Synonym (R)-(-)-3,7-Dimethyl-1,6-octadien-3-ol
RTECS Number RG5800000
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 154.25
2,921

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.

2,922

Efavirenz Related Compound B 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

2,923

Theobromine, ≥99.0% (HPLC), MilliporeSigma™ Supelco™

Theobromine is an active bronchodilator drug ingredient used in the treatment of acute and chronic asthma. It is a naturally present alkaloid in a wide variety of foods and beverages, such as coffee, cocoa, tea, yerba mate and energizing drinks.

2,924

Quebec Ministry Of Environmental Phenol Mix, Certified Reference Material, MilliporeSigma™ Supelco™

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

2,925

phyproof™ (-)-Englerin B, ≥90% (HPLC), MilliporeSigma™ Supelco™

This substance is supplied with certified chromatographic purity. The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG