2012 Promega catalogue

Cell Signaling
Glycine, Molecular Biology Grade
Product Size Cat.# Price ($)
Glycine, Molecular Biology Grade 500 g H5071 72.00
For Research Use Only. Not for Use in Diagnostic Procedures.
1 kg H5073 133.00
Description: Glycine is an amino acid used in the preparation of some
electrophoresis buffers.
Formula Weight: 75.07.
Properties:
• Purity: ≥99.0%.
• Iron: ≤10ppm.
• A 260 at 1M: ≤0.05.
• A 280 at 1M: ≤0.05.
Features:
• Quality Tested: Each lot of Glycine is tested and certified to be free of
DNase, RNase and protease activity.
Storage Conditions: Store at 22–25°C.
Guanidine Thiocyanate, Molecular Grade
(Guanidinium Thiocyanate)
Product Size Cat.# Price ($)
Guanidine Thiocyanate, Molecular Grade
For Research Use Only. Not for Use in Diagnostic Procedures.
100 g V2791 88.00
Description: Guanidine Thiocyanate, Molecular Grade, at high concentrations,
is a protein denaturant used most commonly for the isolation of intact RNA due
to its ability to inhibit RNase.
Formula Weight: 118.16.
Form: White, crystalline powder.
Properties:
• Purity: ≥99.0%.
• Insolubles: None.
• A 280 at 6M: ≤0.8.
• A 300 at 6M: ≤0.1.
• A 320 at 6M: ≤0.1.
• A 410 at 6M: ≤0.1.
• Moisture: ≤1%.
• Melting Point: 118–121°C.
• Potassium: ≤50ppm.
• Sodium: ≤0.5%.
• Zinc: ≤1.5ppm.
• Copper: ≤0.5ppm.
• Barium: ≤3ppm.
• Iron: ≤5ppm.
Features:
• Quality Tested: Each lot of Guanidine Thiocyanate is tested and certified
to be free of DNase, RNase and protease activity.
Storage Conditions: Store at 22–25°C.
For complete and up-to-date product information visit: www.promega.com/catalog
Guanidine-HCl, Molecular Biology Grade
(Guanidinium Hydrochloride)
Product Size Cat.# Price ($)
Guanidine-HCl, Molecular Biology Grade 100 g H5381 78.00
For Research Use Only. Not for Use in Diagnostic Procedures.
500 g H5383 262.00
Description: Guanidine-HCl, Molecular Grade, is commonly used for the
isolation of intact mRNA from tissues or cultured cells.
Formula Weight: 95.53.
Form: Fine, colorless or white crystals.
Properties:
• Purity: ≥99.5%.
• A 230 at 6M: ≤0.15.
• A 260 at 6M: ≤0.03.
• A 280 at 6M: ≤0.02.
• Moisture: ≤0.3%.
• Melting Point: 186–188°C.
• Lead: ≤5ppm.
• Zinc: ≤1ppm.
• Copper: ≤1ppm.
• Iron: ≤5ppm.
Features:
• Quality Tested: Each lot of Guanidine-HCl is tested and certified to be
free of DNase, RNase and protease activity.
Storage Conditions: Store at 22–25°C.
HEPES, Molecular Biology Grade (free acid)
Product Size Cat.# Price ($)
HEPES, Molecular Biology Grade (free acid) 100 g H5302 126.00
For Research Use Only. Not for Use in Diagnostic Procedures.
500 g H5303 468.00
Description: HEPES is a biological buffer that functions over a pH range of
6.8 to 8.2.
Formula Weight: 238.3.
Properties:
• Appearance: White, crystalline powder.
• Purity: ≥99.5%.
• Lead: ≤5ppm.
• Iron: ≤5ppm.
• Moisture: ≤0.5%.
• pH at 25°C (1M): 5.0–6.5.
• A 260 at 0.1M: ≤0.05.
• A 280 at 0.1M: ≤0.04.
Features:
• Quality Tested: Each lot of HEPES is tested and certified to be free of
DNase, RNase and protease activity.
Storage Conditions: Store at 22–25°C.
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Biochemicals and Labware
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