81366-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81366-72-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,6 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81366-72:
(7*8)+(6*1)+(5*3)+(4*6)+(3*6)+(2*7)+(1*2)=135
135 % 10 = 5
So 81366-72-5 is a valid CAS Registry Number.
InChI:InChI=1/C15H10Cl2NO4P/c16-10-3-5-11(6-4-10)21-23(19,20)22-14-8-7-13(17)12-2-1-9-18-15(12)14/h1-9H,(H,19,20)/p-1
81366-72-5Relevant articles and documents
4-CHLOROPHENYL 5-CHLORO-8-QUINOLYL HYDROGEN PHOSPHATE: A USEFUL PHOSPHORYLATING AGENT FOR GUANOSINE 3'-PHOSPHOTRIESTER
Takaku, Hiroshi,Kamaike, Kazuo,Kasuga, Kenichi
, p. 197 - 200 (2007/10/02)
5'-O-Dimethoxytrityl-2'-O-tetrahydropyranyl-N2-benzoylguanosine smoothly reacts with 4-chlorophenyl 5-chloro-8-quinolyl hydrogen phosphate in the presence of 8-quinolinesulfonyltetrazolide (QS-te) to give 5'-O-dimethoxytrityl-2'-O-tetrahydropyr