90719-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90719-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,7,1 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90719-50:
(7*9)+(6*0)+(5*7)+(4*1)+(3*9)+(2*5)+(1*0)=139
139 % 10 = 9
So 90719-50-9 is a valid CAS Registry Number.
90719-50-9Relevant articles and documents
DIASTEREOFACIAL SELECTIVITY IN INTRAMOLECULAR DIELS-ALDER REACTIONS OF CHIRAL TRIENE-N-ACYLOXAZOLIDONES
Evans, David A.,Chapman, Kevin T.,Bisaha, John
, p. 4071 - 4074 (2007/10/02)
Excellent diasterofacial selection has been observed in asymmetric Diels-Alder cycloadditions of E,E-triene-imides 3 and 6.