18352-27-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18352-27-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,3,5 and 2 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 18352-27:
(7*1)+(6*8)+(5*3)+(4*5)+(3*2)+(2*2)+(1*7)=107
107 % 10 = 7
So 18352-27-7 is a valid CAS Registry Number.
18352-27-7Relevant articles and documents
ALKYL ARYL BROMOPHOSPHATES: NOUVEAUX REACTIFS DE PHOSPHORYLATION
Thuong, N. T.,Chassignol, M.
, p. 2063 - 2066 (1980)
La reaction des bromophosphates (5) avec le 5'-O-monomethoxytritylthymidine dans la pyridine conduit facilement soit au nucleoside-3'-phosphotriester (7), soit au nucleoside 3'-phosphodiester (8) selon l'ordre d'addition des reactifs.