BX Lab

Nucleosides & Deoxynucleosides

rG

Quick view. rG (guanosine) is a natural ribonucleoside for nucleotide synthesis, RNA chemistry and biochemical reference use. CAS 118-00-3. Catalog target purity: ≥99%.

Chemical structure of rG
Chemical structure
Catalog numberBX-NDO-0020
CAS number118-00-3
Purity≥99%
Pack sizeCustomized to customer requirements

Product profile

Material identity

rG is classified as nucleoside or protected nucleoside intermediate (Formula C10H13N5O5; molecular weight 283.24).

Typical application

rG can serve as a starting material, protected intermediate or analytical comparator in nucleoside and nucleotide route development.

Handling focus

For rG, reported solubility: 0.1 M NaOH: 0.1 g/mL, clear, slightly yellow. Storage: Store at RT.

Names and search terms

Confirmed or normalized name variants

Useful catalog search terms

Physicochemical data

Melting point250 °C (dec.) (lit.)
Boiling point425.8°C (rough estimate)
Density1.3790 (rough estimate)
pKapK1:1.9(+1);pK2:9.25(0);pK3:12.33(OH) (25°C)
FormPowder
ColorWhite to light yellow
SMILES[H]O[H].NC1=Nc2c(ncn2[C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O)C(=O)N1
InChI1S/C10H13N5O5/c11-10-13-7-4(8(19)14-10)12-2-15(7)9-6(18)5(17)3(1-16)20-9/h2-3,5-6,9,16-18H,1H2,(H3,11,13,14,19)/t3-,5-,6-,9-/m1/s
InChIKeyNYHBQMYGNKIUIF-UUOKFMHZSA-N

Release documentation

Lot-specific CoA

The current specification defines the analytical method and acceptance criteria; the released lot result is reported on the CoA.

Analytical package

Additional HPLC, MS or NMR documentation can be agreed during technical review where available.

Additional application examples

Related products

Frequently asked questions

Can the package size for rG be customized?

Yes. Share the initial quantity, expected future scale, delivery timeline and packaging preference for review.

What information should be included in a quote request?

Quote catalog number BX-NDO-0020 and CAS 118-00-3, the intended research workflow, required quantity and any additional HPLC, MS or NMR documentation needed.

Product-family literature

The publications below provide peer-reviewed context for the Nucleosides & Deoxynucleosides product family and its named chemistry.

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