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)
SP6 (5)
T3 (5)
T7 (7)
Normal or Reversed-phase Chromatography, HPLC or PAGE (1)
Products (683)
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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 
Oligo(dT)12-18 Primer 
Product Type: Primer. 5'Primer Modification: Phosphate. Primer Sequence: 5'd PO4 [(T)12-18] 3'. Purification Method: Gel-purified, Desalted.
Random Hexamers (50 μM) 
Product Type: Primer. Shipping Condition: Dry Ice. Concentration: 50 μM. Primer: Random Hexamer.
Oligo(dT)18 Primer 
Product Type: Primer. Primer Length: 18-mer. Shipping Condition: Dry Ice. Concentration: 0.5 μg/μL
Value DNA Oligo , HPLC, Liquid, < 24 , 50 nmol 
Description: DNA Oligo, 50 nmol, 50N, HPLC Purity, Liquid. Product Type: Custom DNA Oligo. Quantity: 50 nmol. Grade: HPLC.
Standard DNA Base, Tube, 25 nmol, 25 nmol 
Custom Primer
Value DNA Oligo , Desalted, Liquid, < 24 , 25 nmol 
Description: DNA Oligo, 25 nmole, 25N, Liquid, Desalted, Cost-effective and Fastest. Product Type: DNA Oligo. Purification Method: Desalted. Quantity: 25 nmol.
Oligo(dT)20 Primer 
Product Type: Primer. 5'Primer Modification: Phosphate. Primer Length: 20-mer. Primer Sequence: 5'd PO4 [(T)20]3'.
Custom 5' Fluorescent Labeled/Unlabeled Pairs, 300,000 pmol⁄each  Green features
Product Type: Oligonucleotides. Length (Metric): 1.524 m Purification Method: Desalted. Label or Dye: 6-FAM, HEX, NED, PET, TET, VIC.
Oligo d(T)16 (50 μM) 
Product Type: Primer. Purification Method: Reverse Phase HPLC. Shipping Condition: Dry Ice. Concentration: 50 μM.
Custom Primer 
M13 Sequencing Reverse Primer, HPLC 
Delivery Type: Single Tube, Dried-down. For Use With (Equipment): Mass Spectrometry. Description: M13 Reverse Sequencing Primer, 50 nmole, HPLC Purification, 900pmole Minimal Spec Yield, 5' CAGGAAACAGCTATGACC Sequence, Delivered in a Single tube, Dried-down, Used for BigDye™ Cycle Sequencing Primers. Product Type: M13 Reverse Sequencing Primer.
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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 (2776)
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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 do I obtain an amine-modified oligonucleotide for labeling using the Alexa Fluor Oligonucleotide Amine Labeling Kits?