Chemicals Reagents D

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: Diisopropyl ether; Isopropyl ether Molecular Formula: C6H14O Molecular...

Synonym(s): Dimedone; Methone Formula: (CH₃)₂C₆H₆(=O)₂ Formula Weight: 140.18 CAS No.: 126-81-8 Purity: 95% Application: Part of furannulation strategy for the synthesis of naturally occurring fused 3-methylfurans. Packaging: 25, 100 g in poly...

Synonym(s): Diisobutyl ketone; Isovalerone Empirical Formula: C₉H₁₈O Linear Formula: (CH₃)₂CHCH₂COCH₂CH(CH₃)₂ Formula Weight: 142.24 MDL Number: MFCD00008940 Boiling Point: 165-170 °C(lit.) Density:...

Synonym(s): 2,7-Fluorenediamine Formula: C₁₃H₁₂N₂ Formula Weight: 196.25 CAS No.: 525-64-4 Purity: >97% Application: Analytical reagent for metals. Packaging: 1 g in glass bottle

Formula: C₆H₄-1,2-(CO₂C₂H₅)₂ Formula Weight: 222.24 CAS No.: 84-66-2 Purity: ≥99.5% (GC) Density: 1.12 g/mL at 25 °C(lit.) Legal Information: PESTANAL is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH

Formula: CH₃ONHCH₃ · HCl Formula Weight: 97.54 CAS No.: 6638-79-5 Purity: 98% Application: Reagent for the preparation of Weinreb amides recently used in the synthesis of 2-acyloxazoles from 2-oxazolemagnesium chloride. Packaging: 25, 100 g in poly bottle

CAS No.: 605-65-2 UN No.: UN1759 Class: 8 Pkg. Group: PG II

Synonyms: N-(2-methyl-1-oxopropyl)-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-[(1,1-dimethylethyl)dimethylsilyl]-guanosine, 3'-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite] Molecular Formula: C50H68N7O9PSi Molecular Weight: 970.18 Linear Structural Formula: C50H68N7O9PSi MDL Number:...

Synonyms: Dimethyl 2-butynedioate Purity Limit: ≥ 98% CAS No.: 762-42-5 Molecular Formula: C6H6O4 Molecular Weight: 142.11 MDL No.: MFCD00008456 Appearance: Colorless or light yellow liquid Storage Temperature: Store at 0-8 °C

Synonym(s): 4,5-Diamino- o -xylene Formula: (CH₃)₂C₆H₂(NH₂)₂ Formula Weight: 136.19 CAS No.: 3171-45-7 Purity: 98% Application: Employed in the preparation of transition metal complexes and quinoxalinones. Storage: 2-8°C...

Empirical Formula: C₁₀H₆Cl₂O Linear Formula: Cl₂C₁₀H₅OH Formula Weight: 213.06 MDL Number: MFCD00003931 Purity: 95% Melting Point: 104-107 °C(lit.)

Dimethyl isosorbide, BioRenewable, ReagentPlus®, =99%

Synonym: R(+)-2-[6-(4-Chlorophenoxy)hexyl]-oxirane-2-carboxylic acid sodium salt hydrate CAS Number: 828934-41-4 (anhydrous) UN Number: 2811 Empirical Formula (Hill Notation): C₁₅H₁₈ClO₄ · Na · H₂O Molecular Weight: 338.76 Biochem/physiol Actions:...

Synonyms: N-butylbutan-1-amine CAS Number: 111-92-2 Formula: C8H19N Formula Weight: 129.24 Linear Formula: (CH3CH2CH2CH2)2NH MDL No.: MFCD00009429 Purity: >=98% Boiling Point: 159 C(lit.) Melting Point: -62 C (lit.) Density: 0.767 g/mL at 25 C(lit.) Refractive Index: n20/D 1.417(lit.) Beilstein...

Synonym(s): 1,7-Heptanediamine; Heptamethylenediamine Formula: NH₂(CH₂)₇NH₂ Formula Weight: 130.23 CAS No.: 646-19-5 UN Number: UN3259 Purity: 98% Packaging: 5, 25 g in glass bottle

Synonym(s): 5,7-Dibromo-1 H -indole Empirical Formula: C₈H₅Br₂N Linear Formula: C₈H₅Br₂N Formula Weight: 274.94 MDL Number: MFCD03090642 Purity: 97% Melting Point: 67-72 °C

Molecular Formula: C13H15BrO4 Molecular Weight: 315.16 Linear Structural Formula: C13H15BrO4 MDL Number: MFCD06205062 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 collect...

Synonyms: Cytidine, N-benzoyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-, 3'-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]; DMT-dC(bz) amidite; N-benzoyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxycytidine, 3'-[2-cyanoethyl N,N-?bis(1-methylethyl)phosphoramidite];...

Empirical Formula: C₇H₄F₂O₂ Linear Formula: F₂C₆H₃CO₂H Formula Weight: 158.10 MDL Number: MFCD00002411 Purity: 98% Melting Point: 157-161 °C(lit.) Beilstein Registry Number: 973774

Synonym(s): Methyl ether Formula: (CH₃)₂O Formula Weight: 46.07 CAS No.: 115-10-6 UN Number: UN1033 Purity: ≥99% Packaging: 100, 400 g in Sure-Pac™

CAS No.: 1177-87-3 Synonyms: Dexamethasone 21-acetate; 9α-Fluoro-16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione-21-acetate; 9α-Fluoro-16α-methylprednisolone-21-acetate; Prednisolone F acetate Formula: C₂₄H₃₁FO₆ Formula...

Formula: C₅H₄Cl₂N₂ Formula Weight: 163.00 CAS No.: 1780-31-0 UN Number: UN3261 Purity: 98% Density: 1.39g/mLat 25°C(lit.) Packaging: 1, 5 g in glass bottle

Formula: (C₆H₁₀O₅)_n CAS No.: 10034-96-5 Application: Use of dextrans as long and hydrophilic spacer arms improves the performance of immobilized proteins acting on macromolecules.

analytical standard Synonym(s): 4-(4-Nitrophenylazo)aniline Empirical Formula: C₁₂H₁₀N₄O₂ Formula Weight: 242.23 Linear Formula: O₂NC₆H₄N=NC₆H₄NH₂ MDL Number: MFCD00007856 Purity:...