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 Synonyms: Pyrantel pamoate;…

Purity: 99.98% (metals basis) CAS Number: 7440-06-4 UN Number: UN3089 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:  7110.11 Risk Phrases: 11 Flammable.

Molecular Formula: C12H16O2 Molecular Weight: 192.25 Linear Structural Formula: C12H16O2 MDL Number: MFCD00048843 Other Notes: Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of unique chemicals. Sigma-Aldrich does not…

Synonym: Actinase E, Pronase E CAS Number: 9036-06-0 EC Number: 232-909-5 MDL Number: MFCD00132092 Features and Benefits Highly stable in pH range of 5.0 to 9.0, with peak activity at pH 8.8 Compatible with many DNA and RNA isolation buffers Broad…

Synonym(s): 40% Pt on Vulcan XC72; 40% Pt/Vulcan Empirical Formula: Pt Linear Formula: Pt Formula Weight: 195.08 MDL Number: MFCD00011179

Potassium p-tolyl sulfate free acid, p-Cresol sulfate is a gut microbiota-derived metabolite of aromatic amino acids, tyrosine, phenylalanine and uremic toxin. p-Cresol sulfate levels typically increase with the progression of chronic kidney disease and in patients with progressive multiple…

Synonyms: 5,5-Diphenylhydantoin; 5,5-Diphenyl-2,4-imidazolidinedione; Phenytoin Formula: C₁₅H₁₂N₂O₂ Formula Weight: 252.27 CAS No.: 57-41-0 Storage Temperature: room temp General description: This certified reference material (CRM) is…

Synonym(s): Pyridine-2,6-dicarboxylic acid chloride Formula: C7H3Cl2NO2 Formula weight: 204.01 Purity: 98% CAS Number: 3739-94-4 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2933.39 Hazard Statements: H314-H318 Causes severe skin burns…

Synonyms: 4-(1-Pyrrolidinyl)aniline4-Pyrrolidin-1-yl-phenylamine Purity Limit: ≥ 96% (HPLC) CAS No.: 2632-65-7 Molecular Formula: C10H14N2 Molecular Weight: 162.24 MDL No.: MFCD00156245 Appearance: Dark purple crystalline solid Storage Temperature: Store at 0-8°C

Synonym(s): trans-beta-(Phenylsulfonyl)styrene Formula: C14H12O2S Formula weight: 244.32 Purity: 98% CAS Number: 16212-06-9 Harmonized Tariff Code:  2930.90

Synonym: Endopeptidase K CAS Number: 39450-01-6 EC Number: 254-457-8 Enzyme Commission (EC) Number: 3.4.21.64 MDL Number: MFCD00132129 Biochem/physiol Actions Proteinase K is a stable and highly reactive serine protease. Evidence from crystal and molecular…

Synonyms: Boc-D-Thz-OH Boc-D-thiazolidine-4-carboxylic acid Boc-(S)-thiazolidine-4-carboxylic acid Purity Limit: ≥ 99% (HPLC) CAS No.: 63091-82-7 Molecular Formula: C9H15NO4S Molecular Weight: 233.3 MDL No.: MFCD00077001 Melting Point: 130-136º C Optical Rotation: [a]20D =…

Poly(dimethylsiloxane) [PDMS] is a polymer. It is a stable silicone rubber. It has been used as ion selective membrane for ion-sensitive field-effect transistors, as spring material in accelerometers, elastomer on a tactile sensor and as flexible encapsulation material in decouple sensors. …

pharmaceutical secondary standard; traceable to USP Synonym(s): 4-Aminobenzoic acid 2-diethylaminoethyl ester; p -Aminobenzoic acid diethylaminoethyl ester hydrochloride; Novocaine hydrochloride Empirical Formula: C₁₃H₂₀N₂O₂ -+ HCl Formula…

Synonyms: PEG-PLGA; PEG2K-PLGA10K; mPEG-b-PLGA Linear Structural Formula: H[(C3H4O2)x(C2H2O2)y]mO[C2H4O]nCH3 Storage: -20C Application: This polymer is a amphiphilic diblock copolymer composed of a hydrophilic PEG block and a hydrophobic PLGA block. This biodegradable, biocompatible…

Empirical Formula: Pt Linear Formula: Pt Formula Weight: 195.08 MDL Number: MFCD00011179 Purity: 99.995% trace metals basis Boiling Point: 3827 °C(lit.) Melting Point: 1772 °C(lit.) Density: 21.45 g/cm 3 (lit.)

Synonym(s): Palladium(II) 2,4-pentanedionate; Pd(acac)₂ Empirical Formula: C₁₀H₁₄O₄Pd Linear Formula: Pd(C₅H₇O₂)₂ Formula Weight: 304.64 MDL Number: MFCD00000025 Purity: 99% Melting Point: …

Formula: C₇H₇Br₂N Formula Weight: 264.95 CAS No.: 7703-74-4 Purity: 98% Packaging: 1, 5 g in glass bottle

Synonym(s): RESOMER ® RG 504; PLGA Linear Formula: [C₃H₄O₂]_x[C₂H₂O₂]_y MDL Number: MFCD00131930 Storage: 2-8°C

Empirical Formula: C₄H₂BF₄KN₂ Linear Formula: C₄H₂BF₄KN₂ Formula Weight: 203.97 MDL Number: MFCD09993013 Purity: 97% Melting Point: 321-326 °C

Molecular Formula: C12H28O6P2 Molecular Weight: 330.29 Linear Structural Formula: C12H28O6P2 MDL Number: MFCD09836227 Purity: 98% Melting Point: 181-187 C Application: These products are used as linkers to improve adhesion between coatings and metal surfaces. The phosphonic…

CAS # 126653-00-7 MDL No.: MFCD06738843 Molecular Formula: C13H15N3 Molecular Weight: 213.28 Purity Limit: 95% (HPLC) Storage Temp: Store at 0-8°C Appearance: Brown solid

CAS # 182923-55-3 MDL No.: MFCD06738296 Molecular Formula: C10H8F3N3 Molecular Weight: 227.19 Purity Limit: 96% (Assay) Storage Temp: Store at 0-8 °C Appearance: Pale yellow solid

Molecular Formula: C2H2BF3KN Molecular Weight: 146.95 Linear Structural Formula: C2H2BF3KN MDL Number: MFCD11052818 Other Notes: Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of unique chemicals. Sigma-Aldrich does not…

Synonyms: PEG bismethacrylate; PEG hydrogel; PEG dimethacrylate Linear Structural Formula: C3H5C(O)(OCH2CH2)nOC(O)C3H5 MDL Number: MFCD00081877 Storage: -20C Application: High purity PEG dimethacrylates are commonly used in PEG-based hydrogels and crosslinking hydrophilic polymers.…

pharmaceutical secondary standard; traceable to USP, PhEur and BP Synonym(s): Riboflavin 5'-monophosphate sodium salt hydrate Empirical Formula: C₁₇H₂₀N₄O₉P -+ xNa + -+ yH₂O Formula Weight: 455.34 (anhydrous free acid basis) Linear…

CAS # 118054-99-2 MDL No.: MFCD22495407 Molecular Formula: C8H9N3·HCl Molecular Weight: 183.60 Purity Limit: 95% (NMR) Storage Temp: Store at 0-8 °C Appearance: Yellow solid

CAS # 198474-90-7 Synonyms: Boc-L-Phe(3,4-DiF)-OH Boc-3,4-difluoro-L-Phe-OH (S)-Boc-2-amino-3-(3,4-difluorophenyl)propionic acid MDL No.: MFCD00672518 Molecular Formula: C14H17F2NO4 Molecular Weight: 301.3 Purity Limit: 98% (HPLC) Storage Temp: Store at 0-8°C

CAS # 37444-46-5 MDL No.: MFCD04972629 Molecular Formula: C5H6N2O Molecular Weight: 110.12 Purity Limit: 95% (HPLC) Storage Temp: Store at 0-8°C Appearance: Brown to yellow solid

CAS # 21313-49-5 Synonyms: Pht-Gly-ONp MDL No.: MFCD00190995 Melting Point: 171-179 °C Molecular Formula: C16H10N2O6 Molecular Weight: 326.25 Purity Limit: 99% (HPLC) Storage Temp: Store at 0-8°C Appearance: Off-white solid

Empirical Formula: C₁₅H₁₁N Linear Formula: C₁₅H₁₁N Formula Weight: 205.25 MDL Number: MFCD00179548 Purity: 97% Melting Point: 100-105 °C

pharmaceutical secondary standard; traceable to USP, PhEur, BP Synonym(s): Promethazine hydrochloride; 10-[2-(Dimethylamino)propyl]phenothiazine hydrochloride Empirical Formula: C₁₇H₂₀N₂S -+ HCl Formula Weight: 320.88 Linear Formula: …