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Kappa is now PR1MA - Same great product, new name

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PR1MA
Lysozyme from Chicken Egg White, Salt Free

CAS Number: 12650-88-3

Solubility: Water

Storage Temperature: 2-8°C
 

Purified from chicken egg white, 2x crystallized, dialyzed and supplied as a salt free lyophilized powder.

Dry powder stable for 3 - 5 years when stored dry at 2°C to 8°C.

Stock solution is stable up to 3 days at 4°C and up to 1 year at -20°C.

Research or further manufacturing use only, not for food or drug use.
 

  • Appearance: 2X Crystallized; dialyzed, lyophilized powder
  • A 280@ mg/ml: Report
  • Protein: Report %
  • U/mg dw (Unit Per mg Dry Weight):  8000
  • Raw Material Species: Chicken Egg Whites
  • Country of Origin: Report

Kappa is now PR1MA - Same great product, new name
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PR1MA Acrylamide/bis-Acrylamide, 37.5:1 Ratio Solution

CAS Number: 79-06-1; 110-26-9; 7732-18-5
Storage Temperature: 2-8°C


A 40% solution containing 38.96% (w/v) Acrylamide and 1.04% (w/v) bis-Acrylamide for a monomer to crosslinker ratio of 37.5:1.


WARNING!
This product can expose you to Acrylamide, a chemical which is known to the State of California to cause cancer, developmental and reproductive harm. For more information go to www.P65Warnings.ca.gov.


Research or further manufacturing use only, not for food or drug use.


  • Appearance: Clear, colorless solution
  • Conductivity of Solution:  10 µmhos
  • Electrophoresis: Pass Test
  • pH: Report

Kappa is now PR1MA - Same great product, new name
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PR1MA Sodium Acetate, Anhydrous

CAS Number: 127-09-3
Molecular Weight: 82.0
Chemical Formula: C2H3O2Na
Solubility: Water
Storage Temperature: Room Temperature


Research or further manufacturing use only, not for food or drug use.


  • Appearance: White Powder
  • Assay: ≥ 99.0 %
  • pH (5% Solution): 7.0 - 9.2
  • Solubility: Soluble in Water
  • Loss on Drying (120 oC):  1.0 %
  • Calcium (Ca):  0.005 %
  • Chloride (Cl):  0.002 %
  • Heavy Metals (as Pb):  0.001 %
  • Insoluble Matter:  0.01 %
  • Iron (Fe):  0.001 %
  • Magnesium (Mg):  0.002 %
  • Phosphate:  0.001 %
  • Sulfate (SO4):  0.003 %
  • Grade: Meet USP/ACS Specifications

Kappa is now PR1MA - Same great product, new name
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PR1MA Sodium Chloride

CAS Number: 7647-14-5
Molecular Weight: 58.4
Chemical Formula: NaCl
Solubility: Water
Storage Temperature: Room Temperature


Research or further manufacturing use only, not for food or drug use.


  • Appearance: Fine White Granular Powder
  • Acidity or Alkalinity: Pass Test
  • Appearance of Solution: Clear, Colorless Solution
  • Arsenic :  1 µg/g
  • Assay: 99.0 - 100.5 %
  • Barium: Pass Test
  • Bromides:  0.010 %
  • Ferrocyanide: Pass Test
  • Heavy Metals :  5 ppm
  • Identification (Chloride): Pass Test
  • Identification (Sodium): Pass Test
  • Loss on Drying:  0.5 %
  • Magnesium & Alkaline Earth Metals:  0.01 %
  • Iron(Fe):  2 µg/g
  • Nitrites:  0.01
  • Phosphates :  0.0025 %
  • Sulfate:  0.020 %

Kappa is now PR1MA - Same great product, new name

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PR1MA
Thiamine Hydrochloride [Vitamin B1]

Common Name: Vitamin B1

CAS Number: 67-03-8

Molecular Weight: 337.3

Chemical Formula: C12H17CIN4OS  HCl

Solubility: Water

Storage Temperature: 2-8°C



Research or further manufacturing use only, not for food or drug use.
 
 

  • Appearance: White Crystalline Powder
  • Appearance of Solution: Clear, no more color than reference solution Y7 or GY7
  • Identification: Should be positive reaction
  • Identification (IR): Consistent with the reference IR spectra
  • pH: 2.7 - 3.3
  • Sulfates:  300 ppm
  • Limit of Nitrate: No brown ring is produced at the junction of the two layers
  • Lead:  2 ppm
  • Water:  5.0 %
  • Residue on Ignition:  0.1 %
  • Absorbance of Solution:  0.025
  • Residual Solvents (Methanol):  0.3 %
  • Residual Solvents (Ethanol):  0.5 %
  • Related Substance (Impurity A):  0.15 %
  • Related Substance (Impurity B):  0.3 %
  • Related Substance (Impurity C):  0.15 %
  • Related Substance (Any Other Impurity):  0.1 %
  • Related Substance (Total impurities):  0.5 %
  • Related Compounds:  1.0 %
  • Chromatographic Purity:  1.0 %
  • Assay: 98.5 - 101.0 %
  • Staphylococcus Aureus: Negative
  • Salmonella: Negative
  • E.Coli: Negative
  • Total Plate Count:  1000 cfu/g
  • Yeast and Mold:  100 cfu/g
  • Material Source: Acrylonitrate; Acetamidine HCl; Chlorine Ester
  • Production Method: Chemical Synthesis
  • BSE/TSE Free: BSE/TSE Free
  • Non Animal Origin: Non Animal Origin
  • Conclusion: This product complies with the specification of BP/USP/FCC.
  • Country of Origin: Report

Kappa is now PR1MA - Same great product, new name
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PR1MA DTT [DL-Dithiothreitol] (Cleland's Reagent)]

Common Name: [DL-Dithiothreitol] (Cleland's Reagent)]
CAS Number: 3483-12-3
Molecular Weight: 154.25
Chemical Formula: C4H10O2S2
Solubility: Water
Storage Temperature: 2-8°C


Protective reagent for maintaining -SH groups in reduced state. DTT permeates the cell membrane protecting protein sulfhydryls thereby restoring enzyme activity lost by oxidation of the groups.


Research or further manufacturing use only, not for food or drug use.


  • Appearance: A white free flowing powder, hygroscopic
  • Solubility: Freely soluble in methanol, methylene chloride
  • Clarity in water: 5% (w/v) solution in water is clear and colorless
  • Identification by TLC: Rf value of the sample is comparable with that of the standard
  • Melting Range: 37.0 - 44.0 °C
  • Related Substance (UV Spectroscopy- Content of Oxidised DTT):  0.4 %
  • Assay (By Iodimetry):  98.0 %
  • Country of Origin : Report

Premixed Powder 19:1 Ratio

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PR1MA™ Acrylamide/bis-Acrylamide, Premixed Powder 19:1 Ratio

Storage Temperature: Room Temperature


Pre-measured powder blend of acrylamide and bis-acrylamide for simple stock solution preparation.


WARNING!
This product can expose you to Acrylamide, a chemical which is known to the State of California to cause cancer, developmental and reproductive harm. For more information go to www.P65Warnings.ca.gov.


Research or further manufacturing use only, not for food or drug use.


  • Appearance: Powder
  • Solubility: Clear and complete
  • Conductivity:  10 µmhos

Kappa is now PR1MA - Same great product, new name
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PR1MA Tryptone, Powder

CAS Number: 91079-40-2
Solubility: Water
Storage Temperature: Room Temperature


Pancreatic digest of casein used to supplement media in cultivation of anaerobic bacteria.


pH (1% solution): 7.3.


Ingredients:

  • Molecular Biology GradeTotal Nitrogen (TN): ~12.7%
  • Amino Nitrogen (AN): ~3.7%
  • AN/TN Ratio: 0.26
  • Sodium Chloride: ~0.4%
  • Tryptophan: ~1.0


Research or further manufacturing use only, not for food or drug use.
 
  • Appearance: Cream to beige free flowing powder
  • Amino Nitrogen:  4.0 %
  • Ash:  15 %
  • Loss on Drying:  5.0 %
  • Nitrites: Negative
  • pH (2% water) @25°C: 6.5 - 7.5
  • Total Nitrogen:  10 %
  • Undigested Protein: Negative
  • Broth Formulations (Growth Supporting Properties): Satisfactory
  • Peptone Agar (Growth Supporting Properties): Satisfactory
  • Proteoses: Positive
  • Salmonella: Negative/25g
  • Standard Plate Count :  1000 cfu/g
  • Coliform: Negative
  • E.Coli: Negative
  • Molds and Yeasts:  100 cfu/g
  • Raw Material Species: Bovine
  • Enzyme Species: Porcine
  • BSE/TSE Free: BSE/TSE Free
  • Country of Origin : Report

Kappa is now PR1MA - Same great product, new name
Looking for something else? Email tech@midsci.com. If we can get it, we will add it to the website.

 

PR1MA Acrylamide/bis-Acrylamide, 29:1 Ratio Solution

CAS Number: 79-06-1; 110-26-9; 7732-18-5
Storage Temperature: 2-8°C


A 40% solution containing 38.67% (w/v) Acrylamide and 1.33% (w/v) bis-Acrylamide for a monomer to crosslinker ratio of 29:1.


WARNING!
This product can expose you to Acrylamide, a chemical which is known to the State of California to cause cancer, developmental and reproductive harm. For more information go to www.P65Warnings.ca.gov.


Research or further manufacturing use only, not for food or drug use.


  • Appearance: Clear Colorless Solution
  • Conductivity of Solution:  10 µmhos
  • Electrophoresis: Pass Test
  • pH @25 oC: Report

[3',3",5',5"-Tetrabromo-phenolsulfonephthalein]

Kappa is now PR1MA - Same great product, new name
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PR1MA Ammonium Acetate

CAS Number: 631-61-8
Molecular Weight: 77.08
Chemical Formula: C2H7NO2
Solubility: Water
Storage Temperature: 2-8°C


Widely used reagent in molecular biology and chromatography.


Research or further manufacturing use only, not for food or drug use.


  • Appearance: White crystalline hygroscopic powder
  • Assay:  97.0 %
  • Chloride (Cl):  0.0005 %
  • Heavy Metals (as Pb):  0.0005 %
  • Insoluble Matter:  0.005 %
  • Iron (Fe):  0.0005 %
  • Nitrate:  0.001 %
  • pH, 5% solution in H2O @25 ºC: 6.7 - 7.3
  • Residue after Ignition:  0.01 %
  • Sulfate:  0.001 %

Kappa is now PR1MA - Same great product, new name
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PR1MA Urea, UltraPure (USP Grade)

CAS Number: 57-13-6
Molecular Weight: 60.06
Chemical Formula: CH4N2O
Solubility: Water
Storage Temperature: Room Temperature


Research or further manufacturing use only, not for food or drug use.


  • Appearance: White Crystalline Powder
  • Assay: 99.0 - 100.5 %
  • Identification (A, B): Pass Test
  • Appearance of 20% Solution: Pass Test
  • Melting Point: 132.5 to 134.5 oC
  • Moisture (LOD):  1.0 %
  • Alcohol- Insoluble Matter:  0.04 %
  • Residue on Ignition:  0.1 %
  • Chloride:  5 ppm
  • Sulfate:  0.001 %
  • Alkalinity: To pass test
  • Ammonium:  0.05 %
  • Urea Related Compound A:  0.1 %
  • Individual Unspecified Impurities:  0.1 %
  • Total impurities:  2.0 %
  • Heavy Metals:  0.001 %
  • Iron:  0.001 %
  • Residual Solvents USP 467: Meets requirements
  • BSE/TSE Free: BSE/TSE Free
  • Grade: USP
  • Country of Origin : Report

Kappa is now PR1MA - Same great product, new name
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PR1MA Acrylamide

CAS Number: 79-06-1
Molecular Weight: 71.1
Chemical Formula: C3H5NO
Solubility: Water
Storage Temperature: Room Temperature


WARNING!
This product can expose you to Acrylamide, a chemical which is known to the State of California to cause cancer, developmental and reproductive harm. For more information go to www.P65Warnings.ca.gov.


Research or further manufacturing use only, not for food or drug use.


  • Appearance: White Crystalline Powder
  • Acrylic Acid :  10 ppm
  • Assay:  99.9 %
  • Conductivity:  3.5 µmhos
  • DNase, RNase, protease: Not Detected
  • Electrophoresis: Pass Test
  • Iron:  1 ppm
  • Lead:  1 ppm
  • Magnesium:  1 ppm
  • Melting Point: 84.0 - 86.0 oC
  • pH (10%, 0.1 M NaCl @ 25 oC) : 6.5 - 7.5
  • Solubility (40% Aqueous Solution): Clear and colorless

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