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205925-97-9

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205925-97-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205925-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,9,2 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 205925-97:
(8*2)+(7*0)+(6*5)+(5*9)+(4*2)+(3*5)+(2*9)+(1*7)=139
139 % 10 = 9
So 205925-97-9 is a valid CAS Registry Number.

205925-97-9Relevant articles and documents

The synthesis of allyl- and allyloxycarbonyl-protected RNA phosphoramidites. Useful reagents for solid-phase synthesis of RNAs with base-labile modifications

Bogdan, Felicia M.,Chow, Christine S.

, p. 1897 - 1900 (1998)

The synthesis of allyl- and allyloxycarbonyl (AOC)-protected RNA phosphoramidites is reported. The use of allyl and AOC groups allows the chemistry of solid-phase RNA synthesis to be expanded to include base-labile modified nucleosides, such as acetylcytidine. The allyl- and AOC-protective chemistry can be further expanded for the construction of RNAs on solid supports and affinity columns.

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