CAS Registry Number

CAS 1445-07-4 — Pseudouridine

Pseudouridine is a naturally occurring nucleoside modified RNA base, widely used in synthetic mRNA research, vaccine development, and antiviral studies for its ability to enhance stability and reduce immune activation. This modified nucleotide is also applied in biochemical assays and as a building block for oligonucleotide synthesis. Pseudouridine (CAS 1445-07-4) is a white to off-white crystalline powder with no assigned signal word under GHS classification. It is soluble in water and has a molecular weight of 244.20 g/mol. Molekula supplies Pseudouridine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.