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5,10-Methylene-5,6,7,8-tetrahydrofolic acid

(2S)-2-[[4-(3-amino-1-oxo-2,5,6,6a,7,9-hexahydroimidazo[1,5-f]pteridin-8-yl)benzoyl]amino]pentanedioic acid · also: CH2H4folate, Folitixorina, Folitixorine, folitixorinum, Tetrahydromethylenefolate, methylenetetrahydrofolate

FormulaC20H23N7O6
Mol. weight457.447
PubChem CID135400185
InChIKeyQYNUQALWYRSVHF-ABLWVSNPSA-N
SMILESC1C2CN(CN2C3=C(N1)N=C(NC3=O)N)C4=CC=C(C=C4)C(=O)N[C@@H](CCC(=O)O)C(=O)O
1,933Patents
223Research papers
284Patents - last 3 years
2Papers - last 3 years

Who owns the IP

The organizations most actively patenting around this compound, ranked by referenced patent volume.

#AssigneePatents
1Danisco US Inc144
2Goodyear Tire and Rubber Co92
3BASF SE83
4EIDP Inc67
5Evonik Operations GmbH35
6Merck Patent GmbH35
7AbbVie Inc32
8Merck & Cie20
9McGill University16
10AbbVie Bahamas Ltd14

Explore the full landscape

This preview shows the leading assignees. Cypris reveals the full ownership landscape - every filing entity, filing trends, and portfolio momentum.

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Where innovation is concentrated

Patent classifications ranked by volume reveal the technical domains with the most active filing.

#CodeAreaPatents
1A61KMedicinal preparations687
2A61PTherapeutic activity (drug indications)661
3C12NMicroorganisms, enzymes648
4C12PFermentation, enzyme processes580
5C07DHeterocyclic compounds278
6C12YEnzyme nomenclature (EC numbers)277
7C12QMeasuring/testing involving enzymes268
8C07KPeptides210
9G01NInvestigating / analysing materials202
10Y02EClimate change mitigation: energy192

AI mapped opportunity space

This preview shows where patent activity concentrates. Cypris maps the full classification landscape to surface technical whitespace and IP headroom.

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Where research is gaining momentum

Research themes ranked by publication activity show where scientific interest is accelerating around this compound.

#Research topicPapers
1Folate and B Vitamins Research6
2Amino Acid Enzymes and Metabolism1
3Cancer Research and Treatments1
4Enzyme Structure and Function1
5Neuroscience and Neuropharmacology Research1

Who's driving the science

The most-published authors working with this compound, alongside their primary affiliations.

#AuthorAffiliationPapers
1Daniel V. SantiUniversity of California, San Francisco10
2David G. PriestMedical University of South Carolina9
3R. Bruce DunlapUniversity of South Carolina8
4Rowena G. MatthewsUniversity of Michigan7
5Amnon KohenUniversity of Iowa6
6Elisabeth OdinUniversity of Gothenburg5
7Janet A. HoughtonSt. Jude Children's Research Hospital5
8M.T. DoigMedical University of South Carolina5
9Bengt GustavssonUniversity of Gothenburg4
10Carmen J. AllegraNaval Medical Research Command4

Research leaders

This preview lists the top authors. Cypris surfaces the full researcher landscape, their affiliations, and how scientific influence is shifting.

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The literature that defines it

The most-cited papers anchoring the scientific record for this compound.

Frequently asked questions

Common questions about this compound's patent and research landscape, answered from the underlying data.

What is the molecular formula and weight of 5,10-Methylene-5,6,7,8-tetrahydrofolic acid?

5,10-Methylene-5,6,7,8-tetrahydrofolic acid has a molecular formula of C20H23N7O6 and a molecular weight of 457.447.

Which organizations hold the most patents related to this compound?

The leading patent assignees for this compound are Danisco US Inc with 144 patents, Goodyear Tire and Rubber Co with 92 patents, and BASF SE with 83 patents.

What research topics are associated with publications on this compound?

Publications on this compound are associated with Folate and B Vitamins Research, Amino Acid Enzymes and Metabolism, Cancer Research and Treatments, Enzyme Structure and Function, and Neuroscience and Neuropharmacology Research.

What is a highly-cited paper on the mechanisms involving 5,10-methylenetetrahydrofolate?

A key paper is the 1990 publication on the stereochemical mechanism of action for thymidylate synthase based on the X-ray structure of the covalent inhibitory ternary complex with 5-fluoro-2′-deoxyuridylate and 5,10-methylenetetrahydrofolate, which received 117 citations.

What are the major patent classification areas for inventions involving this compound?

The largest patent classification areas are A61K (687 patents), A61P (661 patents), C12N (648 patents), and C12P (580 patents), reflecting pharmaceutical, biotech, and chemical processing applications.

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