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Optimize - Reagents<br />
application<br />
n Crystallization grade reagents for formulating<br />
screens or for optimization<br />
features<br />
n Quantitive formulation<br />
n Lot to lot consistency<br />
n Synergistic with <strong>Hampton</strong> <strong>Research</strong><br />
screens & kits<br />
n Quality and convenience<br />
n Sterile filtered<br />
description<br />
Optimize reagents are quantitatively formulated<br />
macromolecular crystallization grade reagents designed<br />
specifically for the crystallization of proteins, peptides,<br />
and nucleic acids. Each Optimize solution is formulated<br />
using high purity salts, polymers, and buffers. Sterile<br />
filtered Optimize reagents are formulated at convenient,<br />
ready to use concentrations. Optimize reagents remove<br />
the guesswork and make the process of reproducing<br />
preliminary screening conditions and general optimization<br />
faster, easier, and more convenient. When using<br />
Optimize reagents, a scientist moves directly from<br />
the screen to the optimization with no time wasted<br />
searching for and formulating salts, buffers, and viscous<br />
polymers. Each Optimize reagent is supplied with a<br />
Certificate of Analysis as documentation of reagent quality<br />
and performance. Optimize buffer reagents are supplied<br />
with calibrated titration curves to make titration<br />
easy, fast, and accurate.<br />
optimize crystallization grade reagents<br />
Polymers<br />
Ethylene imine polymer<br />
HR2-599 50% solution 200 ml $78.00<br />
Synonyms: PEI or Poly(ethylene imine) or<br />
Poly(ethyleneimine) solution or Ethyleneimine polymer solution<br />
Mr 600,000 - 1,000,000 CAS [9002-98-6] EC No 205-793-9<br />
Density: 1.08 g/mL at 20°C Measured pH Range: 12.0 - 12.1 at 25°C<br />
Refractive Index n20/D: 1.450 Conductivity Range: 244.3 - 257.0 mS at 25°C<br />
Jeffamine ® ED-2001 pH 7.0<br />
HR2-597 50% w/v solution pH 7.0 200 ml $98.00<br />
Synonyms: O,O'-Bis(2-aminopropyl) polypropylene<br />
glycol-block-polyethylene glycol-block-polypropylene<br />
glycol 1,900 CH 3 CH(NH 2 )CH 2 (OCH 2 CH 2 ) n OCH 2 CH(NH 2 )CH 3<br />
Mr ~2,000 CAS [65605-36-9]<br />
Refractive Index Range: 1.40637 - 1.40666 at 20°C<br />
Conductivity Range: 4.0 - 5.7 mS at 25°C<br />
pH before titration with Hydrochloric acid is > 10<br />
Final measured pH of HR2-597 is 7.0<br />
Jeffamine ® M-600 ®<br />
HR2-501 50% v/v solution pH 7.0 200 ml $94.00<br />
HR2-503 100% solution (untitrated pH >12) 200 ml $94.00<br />
Synonyms: O-(2-Aminopropyl)-O'-(2-methoxyethyl)polypropylene<br />
glycol 500 or Polypropylene glycol 500 mono-2-aminoethyl<br />
mono-2-methoxyethyl ether CH 3 OCH 2 CH 2 O[CH(CH 3 )CH 2 O] n CH 2 CH(NH 2 )<br />
Mr 600 CAS [77110-54-4] Density: 0.983 g/mL at 20°C<br />
HR2-501: Refractive Index Range: 1.40754 - 1.40988 at 20°C<br />
Conductivity Range: 8.8 - 10.3 mS at 25°C<br />
HR2-503: Refractive Index Range: 1.44501 - 1.44546 at 20°C<br />
Conductivity Range: 0.0 - 0.1 mS at 25°C<br />
Pentaerythritol ethoxylate (3/4 EO/OH)<br />
HR2-743 40% v/v solution 200 ml $46.00<br />
Synonyms: Pentaerythritol ethoxylate (15/4 EO/OH)<br />
C(CH 2 (OCH 2 CH 2 ) n OH) 2 Average Mn ~270<br />
CAS [30599-15-6] EC No 500-071-2<br />
Density: 1.2 g/mL at 25°C (lit.)<br />
Measured pH Range: 7.5 - 8.7 at 25°C<br />
Refractive Index: 1.39719 at 20°C<br />
Conductivity Range: 37.8 - 40.5 mS at 25°C<br />
H 2NCHCH 2 (OCHCH 2) a (OCH 2CH 2) b (OCH 2CH) c NH 2<br />
CH 3 CH 3 CH 3<br />
b 38.7, (a+c) 6.0<br />
H 2N NH (<br />
O ( (<br />
2<br />
O<br />
x y z<br />
CH 3 CH 3 CH 3<br />
O<br />
(<br />
y 39, (x+z) 6<br />
(<br />
(<br />
Pentaerythritol ethoxylate (15/4 EO/OH)<br />
HR2-745 50% v/v solution 200 ml $54.00<br />
Synonyms: Pentaerythritol ethoxylate (3/4 EO/OH)<br />
C(CH 2 (OCH 2 CH 2 ) n OH) 4 , N ~3.75 Average Mn ~797<br />
CAS [30599-15-6] EC No 500-071-2<br />
Density: 1.2 g/mL at 25°C (lit.)<br />
Measured pH Range: 5.2 - 6.0 at 25°C<br />
Refractive Index Range: 1.41401 - 1.41578 at 20°C<br />
Conductivity Range: 4.2 - 11.4 mS at 25°C<br />
Pentaerythritol propoxylate (5/4 PO/OH)<br />
HR2-739 50% v/v solution 200 ml $54.00<br />
Synonyms: Pentaerythritol propoxylate<br />
C[CH 2 [OCH 2 CH(CH 3 )] n OH] 4 , N ~5 Average Mn ~426<br />
CAS [9051-49-4] EC No 500-030-9<br />
Density of 100% solution: 1.05 g/mL at 25°C<br />
Measured pH Range: 7.7 - 8.3 at 25°C<br />
Refractive Index: 1.40424 - 1.40433 at 20°C<br />
Conductivity Range: 3.8 - 4.7 mS at 25°C<br />
Pentaerythritol propoxylate (17/8 PO/OH)<br />
HR2-741 50% v/v solution 200 ml $58.00<br />
Synonyms: Pentaerythritol propoxylate<br />
C(CH 2 (OCH 2 CH(CH 3 )) n OH) 4 , N = 2.1 Average Mn ~629<br />
CAS [9051-49-4] EC No 500-030-9<br />
Density: 1.05 g/mL at 25°C (lit.)<br />
Measured pH Range: 4.3 - 4.6 at 25°C<br />
Refractive Index: 1.40418 at 20°C<br />
Conductivity Range: 6.1 - 6.9 mS at 25°C<br />
Poly(acrylic acid sodium salt) 5,100<br />
HR2-773 50% w/v solution 200 ml $95.00<br />
Synonyms: Poly(sodium acrylate) or Sodium polyacrylate<br />
C 3 H 3 NaO 2 Mr 94.04 CAS [9003-04-7]<br />
Measured pH Range: 6.4 - 6.9 at 25°C<br />
Refractive Index Range: 1.40716 - 1.40821 at 20°C Conductivity Range: 30.5 - 41.1 mS at 25°C<br />
Polyethylene glycol 200<br />
HR2-601 100% solution 200 ml $30.00<br />
Synonyms: PEG 200 H(OCH 2 CH 2 ) n OH M r 190 - 210<br />
CAS [25322-68-3] EC No 500-038-2<br />
Density: 1.124 g/mL at 20°C<br />
Measured pH Range: 8.0 - 10.2 at 25°C<br />
Refractive Index Range: 1.46008 - 1.46083 at 20°C Conductivity Range: 2.5 - 2.8 mS at 25°C<br />
40<br />
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