859820-69-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859820-69-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,8,2 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 859820-69:
(8*8)+(7*5)+(6*9)+(5*8)+(4*2)+(3*0)+(2*6)+(1*9)=222
222 % 10 = 2
So 859820-69-2 is a valid CAS Registry Number.
859820-69-2Relevant articles and documents
NOVOEAU GROUPEMENT LIPOPHILE PROTECTEUR DU PHOSPHATE POUR LA SYNTHESE D'OLIGONUCLEOTIDES
Vasseur, J.J.,Rayner, B.,Imbach, J.L.
, p. 2753 - 2756 (1983)
A new and highly lipophilic phosphate protecting group : 2-chloro-4-tritylphenyl was used in the phosphotriester approach for oligodeoxyribonucleotide synthesis.The four deoxyribonucleoside-3'-aryl-β-cyanoethyl phosphates were synthesized in high yield in
