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170640-86-5

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170640-86-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 170640-86-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,6,4 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 170640-86:
(8*1)+(7*7)+(6*0)+(5*6)+(4*4)+(3*0)+(2*8)+(1*6)=125
125 % 10 = 5
So 170640-86-5 is a valid CAS Registry Number.

170640-86-5Downstream Products

170640-86-5Relevant articles and documents

Synthesis of S-alkyl esters of protected 2'-deoribonucleoside 3'-phosphorothoates. Building blocks for the large-scale synthesis of phosphorothioate analogues of oligodeoxyribonucleotides by the phosphotriester approach in solution

Liu, Xiaohai,Reese, Colin B.

, p. 1685 - 1694 (2007/10/02)

Triethylammonium salts of 5'-O-(9-phenylxanthen-9-yl)-2'-deoxyribonucleoside 3'-(H-phosphonates) 23, 33a, 33b and 33c, derived from thymidine, 6-N-pivaloyl-2'-deoxyadenosine, 4-N-benzoyl-2'-deoxycitidine and 2-N-phenylacetyl-2'-deoxyguanosine, react with

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