873957-36-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873957-36-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,9,5 and 7 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 873957-36:
(8*8)+(7*7)+(6*3)+(5*9)+(4*5)+(3*7)+(2*3)+(1*6)=229
229 % 10 = 9
So 873957-36-9 is a valid CAS Registry Number.
873957-36-9Relevant articles and documents
Facile preparation of the oxetane-nucleosides
Bogucka, Malgorzata,Naus, Petr,Pathmasiri, Wimal,Barman, Jharna,Chattopadhyaya, Jyoti
, p. 4362 - 4372 (2005)
Efficient and practical large scale synthesis of suitably protected 1′, 2′-oxetane locked purine and pyrimidine nucleosides for incorporation in oligo-DNA or -RNA by solid-phase synthesis is reported. A high regio and stereoselectivity with preferential f