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dideoxy C 5' (2'3-ddC)

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picture of dideoxy C 5' (2'3-ddC)

Modification : ddC-5'

Catalog Reference Number
Modification Code
5 Prime
3 Prime
Molecular Weight (mw)
Extinction Coeficient (ec)
Technical Info (pdf)
Absorbance MAX
Emission MAX
Absorbance EC

End Blockers

Catalog NoScalePrice
26-6332-0550 nmol$195.00
26-6332-02200 nmol$195.00
26-6332-011 umol$292.00
26-6332-032 umol$438.00
26-6332-1010 umol$2,336.00
26-6332-1515 umol$2,920.00
Discounts are available for ddC-5'!
Modification* Discount Price Structure
1 site/order List price
2 sites/order 10% discount
3 sites/order 20% discount
4 sites/order 30% discount
5-9 sites/order 50% discount
10+ sites/order 60% discount
*Exceptions apply
Related Modifications
ddA-5' ddG-5' ddT-5'
ddC-3' ddC-5'

Dideoxycytosine-5' (ddC-5') is a dideoxyribonucleoside that can only be used to block the 5' end. Use ddC-3' or Spacer C3 to block the 3' end from polymerase extension. ddC-5' is a synthetic analog of deoxyguanosine, in ddC-5', both the 2- and 3-positions of the ribose have a hydrogen (-H) group substituted for the OH group, whereas in dC, only the 2-position is so substituted. ddC-5' is added to the 5-end of an oligo via 5-to-5 synthesis, using a 2,3-ddC, 5-phosphoramidite. Purification must be by PAGE purification, since such an oligo will not have a trityl group (necessary for RPC purification).

ddC-3' should be used as a 3-end blocking moiety (see ddC technical sheet).

- dideoxy C 5' (2'3-ddC)

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