Page 276 - Catalogue 2015

5'-Phosphorylating reagent II

CÀßHÂÌN ¿OßP; M 722.82;

Cat. No. 5'-Phosphorylating reagent II
173724 DNA synthesis

Assay (HPLC) min. 90%
Solubility (0.1M in ACN) Complete, clear

Piperidine

Synonym: Hexahydropyridine

CAS [110-89-4]; EC 203-813-0; CÂHÌÌN; M 85.15

D 0.862; m.p. -11 °C; b.p. 106 °C; UN 2401,8(3),I,CF1

Danger H:225-311-314-331; P:303+361+353-305+351+338-310-361

Cat. No. Piperidine
161805 AR

Appearance Clear liquid Residue after evaporation max. 0.001%w/w
Color (APHA) max. 20 Water (KF) max. 0.2%w/w
Assay (GC, on anhydrous basis) min. 99.5% 2-Picoline max. 0.1%
Pyridine max. 0.15%
max. 0.1ppm
Cat. No. Piperidine max. 0.1ppm
161833 Peptide synthesis max. 0.1ppm
max. 0.1ppm
Color (APHA) max. 20 Fe (Iron)
Assay (GC, on anhydrous basis) min. 99.5% Mg (Magnesium)
Pyridine max. 0.15% Pb (Lead)
Residue after evaporation max. 0.001%w/w Zn (Zinc)
Water (KF) max. 0.1%w/w

PIPES

Synonym: 1,4-Piperazinediethanesulfonic acid, Piperazine-1,4-bis(2-ethanesulfonic acid),

CAS [5625-37-6]; EC 227-057-6; CÏHÌÏN¿OÃS¿; M 302.35

Cat. No. PIPES
160323 Molecular biology

Application: Zwitterionic agent, usable at pH range of 6.1-7.5.

Appearance White powder A280nm (0.1M/0.2M NaOH) max. 0.05AU
Heavy metals (as Pb) max. 0.0005% DNase activity Not detected
Assay (T) 99.5-100.5% RNase activity Not detected
A260nm (0.1M/0.2M NaOH) max. 0.05AU Protease activity Not detected