PR1MA

High‑Quality Lab Consumables, Chemicals, Equipment, and Instruments

PR1MA is MIDSCI’s exclusive laboratory brand, developed to deliver dependable performance, consistent quality, and competitive value for modern research labs. Designed with scientists in mind, PR1MA products span lab consumables, molecular biology reagents, and essential benchtop equipment, all manufactured to stringent quality standards and supported by the expert service MIDSCI is known for. Researchers across academia, biotech, pharma, and clinical labs trust PR1MA for reliable results without unnecessary complexity or cost.

From pipette tips, PCR tubes, and microplates to PCR master mixes, protein markers, and mini centrifuges, every PR1MA product is selected for accuracy, usability, and purity. Many items are RNase/DNase‑free, sterile, and non‑pyrogenic, helping protect sample integrity in critical workflows like PCR, electrophoresis, and cell culture.

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PR1MA Chloramphenicol 

CAS Number: 56-75-7
Molecular Weight: 323.1
Chemical Formula: C11H12Cl2N2O 5
Solubility: Ethanol, Methanol and Slightly Soluble in Water
Storage Temp: Room Temperature

Bacteriostatic antibiotic with activity against gram positive and gram negative bacteria.

Plant cell culture tested.

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

  • Appearance: White, greyish-white or yellowish-white, fine, crystalline powder or fine crystals, needles or elongated plates
  • Identification: Pass
  • Melting Point: 149 - 153 oC
  • pH: 4.5 - 7.5
  • Specific Optical Rotation: +17.0 - +20.0o
  • Chloride:  0.01 %
  • Related Substances:  0.50 %
  • Loss on Drying:  0.50 %
  • Sulfated Ash:  0.10 %
  • Assay (Dried Basis): 98.0 - 102.0 %
  • Non Animal Origin: Non Animal Origin
  • Grade: USP
  • Country of Origin: Report

 



PR1MA
  Cycloheximide

CAS Number: 66-81-9
Molecular Weight: 281.35
Chemical Formula: C15H23NO4
Solubility: Ethanol, methanol
Storage Temp: 2-8°C

Antifungal antibiotic that inhibits protein synthesis in eukaryotes. Blocks translation of mRNA on the ribosome derived from Streptomyces griseus.

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

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

  • Appearance: White to Off White Crystalline Powder
  • HPLC (Purity):  96.0 %
  • Identification (HPLC): Conforms
  • Melting Point: 102 - 120 oC
  • Potency:  950 µg/mg
  • Solubility: Soluble In Chloroform; Ethanol, Methanol
  • Water Content: < 0.3 %

  


PR1MA Acrylamide/bis-Acrylamide, 19:1 Ratio Solution

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

A 40% solution containing 38% (w/v) Acrylamide and 2% (w/v) bis-Acrylamide for a monomer to crosslinker ratio of 19:1.

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 liquid
  • Conductivity of Solution:  10 µmhos
  • DNase/ RNase: Not Detected
  • Electrophoresis: Pass Test
  • pH: Report

Proudly made in the USA! Click here for more made in America products!  


PR1MA Chlortetracycline Hydrochloride

CAS Number
: 64-72-2
Molecular Weight: 515.3
Chemical Formula: C22H23ClN2O8 • HCl
Solubility: Water
Storage Temp: -20°C

Bacteriostatic antibiotic active against gram positive and gram negative bacteria.

Protect from light.
 
Research or further manufacturing use only, not for food or drug use.
  • Appearance: Yellow Crystalline Powder
  • Crystallinity: Pass
  • Identification: Pass
  • Loss on Drying:  2.0 %
  • pH (1% Solution in Water)@ 25°C: 2.3 - 3.3
  • Potency:  900 µg/mg
  • Specific Rotation: -250 - -235°

  

[N-(2-Hydroxyethyl)piperazine-N'-(3-propane sulfonic acid)] [Epps]

PR1MA HEPPS [N-(2-Hydroxyethyl)piperazine-N'-(3-propane sulfonic acid)] [EPPS]

Common Name: HEPPS [N-(2-Hydroxyethyl)piperazine-N'-(3-propane sulfonic acid)] [EPPS]
CAS Number: 16052-06-5
Molecular Weight: 252.3
Chemical Formula: C9H20N2O4S
Solubility: Water
Storage Temp: Room Temperature

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

  • Appearance: White Crystalline Powder
  • Assay (Titration, dried basis):  99.0 %
  • Loss on Drying:  1.0 %
  • pH (1mol/L in Water @ 20 oC: 5.0 - 7.0
  • Solubility (0.1M in water): Clear and Colorless
  

PR1MA Streptomycin Sulfate

CAS Number: 3810-74-0
Molecular Weight: 1457.4
Chemical Formula: (C21H39N7O12) 2  3H2SO4
Solubility: Water
Storage Temp: 2-8°C

Aminoglycoside antibiotic with a bactericidal action against most gram negative bacteria. Plant cell culture tested.

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

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

  • Appearance: Fine White Powder
  • Appearance of Solution: Clear
  • Abnormal Toxicity: Meets The Requirements
  • Bacterial Endotoxins : ≤ 0.25 IU/mg
  • Colorimetric: ≥ 90.0 %
  • Identification: Complies
  • Loss on Drying (EP): ≤ 7.0 %
  • Loss on Drying (USP): ≤ 5.0 %
  • Methanol (GC): ≤ 0.3 %
  • pH: 4.5 - 7.0
  • Potency (Dried basis): ≥ 720 µg/mg
  • Residual Solvents: No Class 1, 2, 3 or other residual solvents are present
  • Streptomycin B: ≤ 3.0 %
  • Sulfate: 18.0 - 21.5 %
  • Sulfated Ash: ≤ 1.0 %
  • BSE/TSE: BSE/TSE Free

  


PR1MA  Blasticidin S Hydrochloride 10 mg / mL Solution

CAS Number: 3513-03-9
Molecular Weight: 458.9
Chemical Formula: C17H26N8O5  HCl
Solubility: Water
Storage Temp: -20°C

A peptidyl nucleoside antibiotic isolated from the culture broth of Streptomyces griseogenes, inhibits protein synthesis in both prokaryotes and eukaryates.

Supplied as a 10 mg / mL sterile solution in HEPES buffer.
Research or further manufacturing use only, not for food or drug use.
  • Appearance: Clear Solution
  • Concentration: 10mg/ml sterile solution
  • Description: Colorless solution in HEPES buffer
  • pH: 7.2 - 7.5
  • Purity:  98.0 %

Proudly made in the USA! Click here for more made in America products!  

PR1MA  Hygromycin B Liquid

CAS Number: 31282-04-9
Molecular Weight: 527.53
Chemical Formula: C20H37N3O13
Solubility: Water
Storage Temp: 2-8°C

Aminoglycoside antibiotic inhibits growth of prokaryotic (bacteria), eukaryotic microorganism (yeasts) and mammalian cells. Particularly useful as a selective agent for the incorporation of the APH 4 gene in plant tissue. Inhibits peptide chain elongation by preventing elongation-factor EF-2 dependent translocation. Supplied as 1 million units in solution per vial. 1 Million Units of Hygromycin
 
Research or further manufacturing use only, not for food or drug use.
  • Appearance: Light amber solution
  • Purity:  80 %
  • Potency: Report U/mg
  • Concentration: Report (500 mg Hygromycin B/ml) units/ml
  • Density: Report mg / mL

Proudly made in the USA! Click here for more made in America products!

 

PR1MA LB Agar, Low Salt Formula, Granulated [Lennox L Agar]

Common Name: Lennox L Agar
CAS Number: 91079-40-2, 8013-01-2, 7647-14-5, 9002-18-0
Solubility: Water with Heat
Storage Temp: Room Temperature

For propagation and maintenance of E. Coli.

Dissolve 32 grams in 1 Liter of distilled water and adjust the pH to 7.2. Sterilize by autoclaving for 15 minutes.

Ingredients:

  • Casein Peptone: 10 g/L
  • Sodium Chloride: 5 g/L
  • Yeast Extract: 5 g/L
  • Agar: 12 g/L
Research or further manufacturing use only, not for food or drug use.
  • DCM Appearance: Homogeneous Free Flowing ,Light Beige
  • PPM Appearance: Clear, no to light ppt, light yellow
  • pH (2.0% Solution @ 25 oC): 6.8 - 7.2
  • Microorganism (E. coli ATCC 23724): Good to Excellent
  • Microorganism (E. coli ATCC 33694): Good to Excellent
  • Microorganism (E. coli ATCC 33849): Fair to Excellent
  • Microorganism (E. coli ATCC 39403): Good to Excellent
  • Microorganism (E. coli ATCC 47014): Good to Excellent
  • Microorganism (E. coli ATCC 53868): Good to Excellent
  • Sodium Chloride: 5 g/l
  • Yeast Extract: 5 g/L
  • Agar: 12 g/l
  • Casein Peptone: 10 g/L

Proudly made in the USA! Click here for more made in America products!

PR1MA PBS [Phosphate Buffered Saline], 10X Powder Concentrate, White Granular Powder

CAS Number: 7778-77-0; 7447-40-7; 7558-79-4; 7647-14-5
Storage Temp: Room Temperature

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

  • Appearance: White Uniform Powder (No Granular)
  • Chloride: 0.136 - 0.144 moles/liter
  • Conductivity @ 25 oC: 14000 - 17800 µomhos/cm
  • DNase, RNase, protease: Not Detected
  • pH (10X Solution): 6.7 - 6.9
  • pH (1 X Solution): 7.3 - 7.5
  • Solubility: Pass Test (9.89%)
  • Seal Integrity Testing: Pass Test

Proudly made in the USA! Click here for more made in America products!

PR1MA  Sodium Phosphate Dibasic, Anhydrous, ACS Grade

CAS Number: 7558-79-4
Molecular Weight: 142.0
Chemical Formula: Na2HPO4
Solubility: Water
Storage Temp: Room Temperature

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

  • Appearance: White crystals
  • Assay:  99.0 %
  • Chloride:  0.002 %
  • Heavy Metals :  10 ppm
  • Insoluble Matter:  0.01 %
  • Iron:  0.002 %
  • Loss on Drying:  0.2 %
  • pH (5% Solution): 8.7 - 9.3
  • Sulfate:  0.005 %
  • Yeast and Mold Count:  100 CFU/g
  • Aerobic Plate Count:  1000 CFU/g

Proudly made in the USA! Click here for more made in America products!

PR1MA LB Broth, Granulated [Lennox LB Broth]

Common Name: Lennox L Broth
Solubility: Water
Storage Temp: Room Temperature

For propagation and maintenance of E. Coli. Low Salt Formula. Molecular Biology Grade.

Dissolve 20 grams in 1 liter distilled water. Then adjust the pH to 7.2. Heat and frequently agitate to completely dissolve. Material is specially granulated to reduce dust and increase solubility rate. Sterilize by autoclaving for 15 minutes.

Ingredients:

  • Tryptone:10 g/L
  • Sodium Chloride: 5 g/L
  • Yeast Extract: 5 g/L

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

  • Appearance: Light beige color, average particle size between 1 to 2mm
  • DCM Appearance: Homogeneous, free flowing light beige
  • PPM Appearance: Clear, no to light ppt, light yellow
  • Appearance of Solution: Prepared medium is yellow to gold and clear to moderately hazy
  • pH (2.0% Solution @ 25 oC): 6.8 - 7.2
  • Microorganism (E. coli ATCC 23724): Good to Excellent
  • Microorganism (E. coli ATCC 33694): Good to Excellent
  • Microorganism (E. coli ATCC 33849): Fair to Excellent
  • Microorganism (E. coli ATCC 39403): Good to Excellent
  • Microorganism (E. coli ATCC 47014): Good to Excellent
  • Microorganism (E. coli ATCC 53868): Good to Excellent
  • Casein Peptone: 10 g/L
  • Sodium Chloride: 5 g/L
  • Yeast Extract: 5 g/L

Proudly made in the USA! Click here for more made in America products!

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