Oligonucleotides

Oligonucleotides

Explore a comprehensive selection of oligonucleotides, including primers and probes. These short DNA or RNA molecules find applications in various research areas like microarrays, gel shift assays, gene synthesis, PCR, DNA sequencing, molecular cloning, and forensics. Oligonucleotides are available in different lengths, either pre-designed, customized, or randomized. Learn more about oligonucleotides.

5' Fluorescent Labeled/Unlabeled (9)
5' Labeled (5)
5' Phosphate Labeled (1)
Anchored Oligo dT Primer (1)
Custom Primer (2)
Digoxigenin Labeled (2)
Forward (3)
Forward PCR/SEQ (1)
M13 (7)
M13 (-21) Forward Sequencing (1)
M13 Reverse Sequencing (1)
Oligo dT (5)
pJET (2)
PreAmp (2)
Random (4)
Random Hexamer (3)
Reverse (3)
Reverse PCR/SEQ (1)
SP6 (2)
T3 (2)
T7 (3)
Unlabeled (3)
0.2 μg/μL (1)
0.5 μg/μL (3)
0.5 mg/mL (1)
10 μM (12)
10 mM (2)
100X (1)
2.5 μg/μL (1)
20X (2)
3 μg/μL (1)
50 μM (5)
50 mM (1)
500 μM (1)
75 mM (1)
Normal or Reversed-phase Chromatography, HPLC or PAGE (1)
AgriSeq™ (1)
Alexa Fluor (22)
Ambion™ (7)
Applied Biosystems™ (3)
BLOCK-iT™ (1)
GeneArt (7)
GeneChip™ (3)
Megaplex™ (1)
REMBRANDT™ (6)
TaqMan™ (1)
TrueGuide™ (3)
Products (683)
Learn More (344)

Documents & Support

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Custom Primer 
Custom DNA Oligos, Order Tubes 
5' Fluorescent Labeled Oligo, 300,000 pmol  Green features
5' Fluorescent Labeled Oligo
Custom Primer 
Custom Primer 
Oligo(dT)20 Primer 
Used for first-strand cDNA synthesis with reverse transcriptase at temperatures of ≥50°C, Oligo(dT)20 Primer is a string of 20 deoxythymidylic acid residues that hybridizes to the poly(A) tail of mRNA.
Value DNA Oligo , HPLC, Liquid, < 24 , 50 nmol 
Custom DNA Oligo, 50N, HPLC, Liquid
Custom 5' Fluorescent Labeled/Unlabeled Pairs, 300,000 pmol⁄each  Green features
M13 Sequencing Reverse Primer, HPLC 
M13 Sequencing Reverse Primer, HPLC
Random Hexamer Primer 
Thermo Scientific Random Hexamer Primer is a mixture of single-stranded random hexanucleotides with 5'- and 3'-hydroxyl ends.
Custom Primer 
Human, Forward Primer, Desalted 
Human, Forward Primer, Desalted
Standard DNA Base, Tube, 25 nmol, 25 nmol 
Custom Primer
Oligo(dT)12-18 Primer 
Oligo(dT)12-18 Primer is suitable for use in first-strand cDNA synthesis with reverse transcriptase.
Sequence Detection Primer, 80,000 pmol  Green features
These unlabeled primers can be used with TaqMan™ probes in any real-time PCR application. Choose between dry and in-solution formatted delivery. All primers are desalted.
Results per page15 30 60
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Custom DNA Oligonucleotides
For easy ordering, check out out the Invitrogen Custom DNA oligos page., Invitrogen Custom DNA oligos are synthetic oligonucleotides made according to your specifications and can be used in a variety of applications, from PCR and sequencing to probes for gene detection.
Protocols for Oligonucleotides
Review selected protocols that are commonly used to spectrophotometrically quantify the concentration of an oligonucleotide or primer solution: how to concentrate or precipitate an oligo, how to PAGE purify oligos, and how to build adaptors with your oligos.
Documents & Support (2777)
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Product FAQ
What size of amine-modified oligonucleotides can be used with Alexa Fluor Oligonucleotide Amine Labeling Kits?
Product FAQ
How much amine-reactive Alexa Fluor dye is included in the Alexa Fluor Oligonucleotide Amine Labeling Kits?