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Chromatography Standards

Frequently used for calibration, chromatography standards have a known concentration to test separating equipment for performance faults.
Organic Standards (10,985)
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346 – 360 of 22,036 results
346

Midodrine hydrochloride, MilliporeSigma™ Supelco™

Midodrine is a prodrug and a long acting α-adrenergic stimulating agent, and forms an active metabolite, desglymidodrine, which causes an elevation of the systemic blood pressure with the reduction in heart rate.

Type Analytical Standard
Linear Formula C12H18N2O4 · HCl
CAS 3092-17-9
Industry Type Drug Analysis
MDL Number MFCD00079455
Physical Form Neat
Grade Analytical Standard
Synonym (+/-)-1-(2,5-Dimethoxyphenyl)-2-glycinamidoethanol
Formula Weight 290.74
347

phyproof™ Ginkgolide J, ≥95% (HPLC), MilliporeSigma™ Supelco™

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG

348

Residual Solvent - Chloroform 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.

352

phyproof™ 1,5-Dicaffeoylquinic acid, ≥98% (HPLC), MilliporeSigma™ Supelco™

In literature, CAS Numbers 19870-46-3 and 30964-13-7 are each described as 1,3-dicaffeoylquinic acid, 1,5-dicaffeoylquinic acid, and cynarin. The IUPAC synonym for this product is provided for clarification.

353

Octadecane, ≥98.5% (GC), MilliporeSigma™ Supelco™

Boiling Point 317°C
Linear Formula CH3(CH2)16 CH3
Physical Form Neat
Grade Analytical Standard
Ignition Point 455°F
Density 0.777 g/mL (at 25°C)
Vapor Density 8.8 (vs. air)
Vapor Pressure 1 mmHg (119°C)
Type Analytical Standard
Percent Purity ≥98.5% (GC)
CAS 593-45-3
MDL Number MFCD00009007
Flash Point 166°C
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 254.49
Melting Point 26°C to 29°C; 28°C to 30°C
355

Phenacetin, Powder, 98.0-101.0%, Spectrum™ Chemical
SDP

CAS: 62-44-2

CAS 62-44-2
356

TraceCERT™ 1-Hydroxypyrene, MilliporeSigma™ Supelco™

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.

358

LiChropur™ N-Methyl-bis(trifluoroacetamide), 99.0%, MilliporeSigma™ Supelco™

Boiling Point 121°C to 122°C
Type Organic Standard
Percent Purity ≥99% (GC)
Linear Formula CF3 CON(CH3)COCF3
CAS 685-27-8
MDL Number MFCD00000412
Flash Point 45°C
Grade GC/MS (SIM)
Synonym MBTFA
Formula Weight 223.07
Density 1.547 g/mL (at 25°C)
Product Line LiChropur
360

Mesityl Oxide 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.