Merck
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C21300-HH

Sigma-Aldrich

DMT-2′O-TBDMS-rC(ac) Phosphoramidite

Synonym(s):
N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-cytidine, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]
Empirical Formula (Hill Notation):
C47H64N5O9PSi
CAS Number:
Molecular Weight:
902.10
MDL number:
PubChem Substance ID:

biological source

non-animal source (no BSE/TSE risk)

product line

Proligo Reagents

assay

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

form

powder

packaging

pkg of 1 × 100 g C213011-01
pkg of 1 × 500 g C213051-01

technique(s)

oligo synthesis: suitable

impurities

≤0.3 wt. % water content (Karl Fischer)
≤0.5% P(III) Impurities 100-169ppm (31P-NMR)
≤0.5% single Impurity (reversed phase HPLC)
≤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: cytidine
base protecting group: acetyl
2' protecting group: TBDMS
5' protecting group: DMT
deprotection: fast

storage temp.

−20°C

SMILES string

COc1ccc(cc1)C(OC[C@H]2O[C@H]([C@H](O[Si](C)(C)C(C)(C)C)[C@@H]2OP(OCCC#N)N(C(C)C)C(C)C)N3C=CC(NC(C)=O)=NC3=O)(c4ccccc4)c5ccc(OC)cc5

InChI

1S/C47H64N5O9PSi/c1-32(2)52(33(3)4)62(58-30-16-28-48)60-42-40(59-44(43(42)61-63(11,12)46(6,7)8)51-29-27-41(49-34(5)53)50-45(51)54)31-57-47(35-17-14-13-15-18-35,36-19-23-38(55-9)24-20-36)37-21-25-39(56-10)26-22-37/h13-15,17-27,29,32-33,40,42-44H,16,30-31H2,1-12H3,(H,49,50,53,54)/t40-,42-,43-,44-,62?/m1/s1

InChI key

QKWKXYVKGFKODW-YOEDQOPESA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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