110526-58-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 110526-58-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,0,5,2 and 6 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 110526-58:
(8*1)+(7*1)+(6*0)+(5*5)+(4*2)+(3*6)+(2*5)+(1*8)=84
84 % 10 = 4
So 110526-58-4 is a valid CAS Registry Number.
110526-58-4Relevant articles and documents
TRITYLOXYETHYLAMINO GROUP FOR THE PROTECTION OF PHOSPHORYL GROUP IN OLIGONUCLEOTIDE SYNTHESIS
Tanaka, Toshiki,Yamada, Yasuki,Ikehara, Morio
, p. 5641 - 5644 (2007/10/02)
Trityloxyethylamino group was used for the protection of 5'-phosphoryl group of deoxyribonucleoside.This group is not only protecting group of phosphate also the intermediate for the synthesis of d-ppA and d-pppA.