Cap A (acetic anhydride 12% in acetonitrile)

• Catalog No.: 11659
• CAS Number: 108-24-7
• M. F.: C4H6O3
• M. W.: 102.08864

SYNONYMS

• Title: Cap A（12% 乙酸酐溶于乙腈）
• IUPAC name: acetyl acetate
• IUPAC Traditional name: acetic anhydride
• Synonyms: Acetic anhydride solution; 乙酸酐 溶液

DATABASE IDS

• MDL Number: MFCD00008705
• CAS Number: 108-24-7

PROPERTIES

• Grade: for DNA synthesis
• Impurities: ≤0.005% water
• Density: 0.819 g/mL at 20 °C
• Flash Point: 12 °C
• Flash Point: 53.6 °F
• GHS Signal Word: Danger
• GHS Hazard statements: H225-H302-H315-H318-H331-H335
• European Hazard Symbols: Flammable (F)
• European Hazard Symbols: Harmful (Xn)
• Personal Protective Equipment: Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• GHS Precautionary statements: P210-P261-P280-P305 + P351 + P338-P311
• RID/ADR: UN 2924 3/PG 2
• Risk Statements: 11-20/21/22-37/38-41
• Safety Statements: 16-26-36/37/39
• Hazard Class: 3
• UN Number: 2924
• Packing Group: 2
• German water hazard class: 2

DETAILS

Description (English)

Application
Reagent used in the phosphite triester method of oligonucleotide synthesis for the capping of the remaining free 5’-hydroxyl groups by acetylation. Reagent is suitable for use on Milligen 7500 synthesizers.
Preparation Note
filtered with a 0.1 μm filter

Description (简体中文)

Application
用作亚磷酸三酯法合成寡核苷酸的试剂，用于通过乙酰化反应封闭剩余的游离 5'-羟基。适用于 Milligen 7500 合成仪的试剂。
Preparation Note
通过 0.1μm 过滤器过滤