C9H10N2O5
226.19 g/mol
Pharmaceutical IntermediateWarning
2,2'-Anhydrouridine
CAS3736-77-4EC223-107-6
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2,2'-Anhydrouridine is a nucleoside intermediate used in pharmaceutical synthesis. It is a bicyclic compound containing a uracil base linked to a modified ribose ring through an oxygen bridge.
pharmaceutical intermediate for nucleoside synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
SimilarStructure SimilarSimilarity 0.73
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Referencesame scaffold
2,2'-Anhydro-5-methyluridine
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Safety Reference
Warning
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for 2,2'-Anhydrouridine (CAS 3736-77-4) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(2R,4R,5R,6S)-5-hydroxy-4-(hydroxymethyl)-3,7-dioxa-1,9-diazatricyclo[6.4.0.02,6]dodeca-8,11-dien-10-one
InChIKey
UUGITDASWNOAGG-CCXZUQQUSA-N
SMILES
C1=CN2[C@H]3[C@H]([C@@H]([C@H](O3)CO)O)OC2=NC1=O
Synonyms (24)
- BJE
- 0(2),2'-anhydrouridine
- 2,2'-Anhydro-D-uridine
- 2,2'-Anhydro-rU
- 2,2'-Anhydrouridine
- 2,2'-Cyclouridine
- 2,2'-O-Cyclouridine
- 2,2a(2)-Anhydrouridine
- Ancitabine Impurity 2
- Cyclouridine
- O(2),2'-anhydrouridine
- O2,2'-Cyclouridine
- O2,2'-Cyclouridine (VAN)
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