90057-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90057-31-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,5 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90057-31:
(7*9)+(6*0)+(5*0)+(4*5)+(3*7)+(2*3)+(1*1)=111
111 % 10 = 1
So 90057-31-1 is a valid CAS Registry Number.
90057-31-1Relevant articles and documents
Enantioselective synthesis of (+)-magydardienediol
Asaoka, Morio,Sakurai, Masahito,Takei, Hisashi
, p. 7567 - 7570 (2007/10/02)
The first enantioselective total synthesis of the title compound is described.