88142-60-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 88142-60-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,1,4 and 2 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 88142-60:
(7*8)+(6*8)+(5*1)+(4*4)+(3*2)+(2*6)+(1*0)=143
143 % 10 = 3
So 88142-60-3 is a valid CAS Registry Number.
InChI:InChI=1/C20H17NO5/c1-23-10-5-6-11-13(9-10)17(22)15-14-12(7-8-21-16(11)14)18(24-2)20(26-4)19(15)25-3/h5-9H,1-4H3
88142-60-3Relevant articles and documents
A novel approach to oxoisoaporphine alkaloids via regioselective metalation of alkoxy isoquinolines
Melzer, Benedikt C.,Bracher, Franz
, p. 1564 - 1571 (2017/08/14)
Oxoisoaporphine alkaloids are conveniently prepared via direct ring metalation of alkoxy-substituted isoquinolines at C-1, followed by reaction with iodine. Subsequent Suzuki cross-coupling of the resulting 1-iodoisoquinolines to methyl 2-(isoquinolin-1-y