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Carbonic acid (2R,3R,4R,5R)-5-(4-benzoylamino-2-oxo-2H-pyrimidin-1-yl)-3-[(2-cyano-ethoxy)-diisopropylamino-phosphanyloxy]-4-(1-isopropoxy-ethoxy)-tetrahydro-furan-2-ylmethyl ester 9H-fluoren-9-ylmethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

136289-09-3

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136289-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136289-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,2,8 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136289-09:
(8*1)+(7*3)+(6*6)+(5*2)+(4*8)+(3*9)+(2*0)+(1*9)=143
143 % 10 = 3
So 136289-09-3 is a valid CAS Registry Number.

136289-09-3Downstream Products

136289-09-3Relevant academic research and scientific papers

Solid-Phase Synthesis of Oligoribonucleotides Using 5'-9-Fluorenylmethoxycarbonyl and 2'-1-(Isopropoxyl)ethyl Protection

Ogawa, Takashi,Hosaka, Hideo,Makita, Tatsusi,Takaku, Hiroshi

, p. 1169 - 1172 (2007/10/02)

The 1-(isopropoxy)ethyl group (Ipe) has been employed for the protection of the 2'-hydroxy groups of ribonucleoside residues in the synthesis of oligoribonucleotides by the phosphoramidite approach on a solid support, using an base-labile 5'-9-fluorenylme

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