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Key Documents

G21110-HH

Sigma-Aldrich

DMT-2′O-Methyl-rG(ib) Phosphoramidite

Synonym(s):

DMT-2′-O-Me-rG(ib) amidite, N-(2-methyl-1-oxopropyl)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-guanosine, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

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About This Item

Empirical Formula (Hill Notation):
C45H56N7O9P
CAS Number:
Molecular Weight:
869.94
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:

biological source

non-animal source (no BSE/TSE risk)

Quality Level

product line

Proligo Reagents

Assay

≥99% (31P-NMR)
≥99.0% (reversed phase HPLC)

form

powder

packaging

pkg of 1 × 100 g (G211111-01)
pkg of 1 × 500 g G211151-01

technique(s)

oligo synthesis: suitable

impurities

≤0.1% single unspecified Impurity (reversed phase HPLC)
≤0.3% mG2 (reversed phase HPLC, Hydrolysate)
≤0.3% mG3 (reversed phase HPLC, DMT-rG(ib)me)
≤0.3 wt. % water content (Karl Fischer)
≤0.5% P(III) Impurities 100-169ppm (31P-NMR)
≤1.0% mG1 (reversed phase HPLC, DMT-rG(ib)me-DMT)
≤3 wt. % residual Solvent content

color

white to off-white

λ

conforms (UV/VIS Identity)

suitability

conforms to structure for H-NMR
conforms to structure for LC-MS

nucleoside profile

base: guanosine
base protecting group: isobutyryl
2' protecting group: methyl
5' protecting group: DMT
deprotection: standard

storage temp.

2-8°C

SMILES string

CO[C@@H]1[C@H](OP(OCCC#N)N(C(C)C)C(C)C)[C@@H](COC(c2ccccc2)(c3ccc(OC)cc3)c4ccc(OC)cc4)O[C@H]1n5cnc6C(=O)NC(NC(=O)C(C)C)=Nc56

InChI

1S/C45H56N7O9P/c1-28(2)41(53)49-44-48-40-37(42(54)50-44)47-27-51(40)43-39(57-9)38(61-62(59-25-13-24-46)52(29(3)4)30(5)6)36(60-43)26-58-45(31-14-11-10-12-15-31,32-16-20-34(55-7)21-17-32)33-18-22-35(56-8)23-19-33/h10-12,14-23,27-30,36,38-39,43H,13,25-26H2,1-9H3,(H2,48,49,50,53,54)/t36-,38-,39-,43-,62?/m1/s1

InChI key

IRRDHRZUOZNWDJ-MLLDKZSOSA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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