Chemicals

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Looking for reliable chemicals to power your research? MIDSCI™ delivers a full range of high-purity reagents, solvents, and buffers designed for life science, pharmaceutical, microbiology, and organic chemistry workflows. From essential acids and bases to specialized biochemicals, growth media, and DNA kits, our inventory ensures precision, consistency, and compliance, backed by Certificates of Analysis (COAs) and Safety Data Sheets (SDS).

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Perfect for molecular biology, plant science, and cellular research, PR1MA™ products offer full traceability and documentation for your peace of mind.

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PR1MA™  Sodium Phosphate Dibasic, Anhydrous

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 Crystal
  • Assay: ≥ 99.0 %
  • Chloride (Cl): ≤ 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 %
  • Aerobic Plate Count: ≤ 1000 CFU/g
  • Yeast and Mold : ≤ 100 cfu/g
  • Total Coliforms: Negative

  



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™ 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™ Benzamidine Hydrochloride

 

CAS Number: 1670-14-0

Molecular Weight: 156.6

Chemical Formula: C7H8N2 • HCl

Solubility: Water

Storage Temp: 2-8°C

 

Competitive serine protease inhibitor which forms stable complexes with and blocks the active sites of enzymes. Target enzymes include trypsin, hymotrypsin, kallikzein and plasmin.

 

Shipping Weight: 0.3 lbs

Shipping Dimensions: 3.50 x 3.75 x 3.50


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

Specifications

  • Appearance: White crystalline powder
  • Assay (HPLC): ≥ 98.5 %
  • Loss on Drying: ≤ 2 %
  • Residue on Ignition: ≤ 0.5 %
  • Material Source: Chemical Synthesis
  • BSE/TSE Free: BSE/TSE Free
  • Country of Origin: Report 
   


PR1MA™ bis-Acrylamide, 2% Solution

CAS Number: 110-26-9
Storage Temp: 2-8°C

A 2% (w/v) bis-Acrylamide solution.

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

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

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


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™ 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™ Acrylamide/bis-Acrylamide, Premixed Powder 29:1 Ratio

Storage Temp: 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: White Powder
  • Conductivity of Solution: ≤ 10.0 µmhos
  • Electrophoresis: Pass Test
  • Solubility: Pass Test

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

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