926653-42-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 926653-42-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,6,6,5 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 926653-42:
(8*9)+(7*2)+(6*6)+(5*6)+(4*5)+(3*3)+(2*4)+(1*2)=191
191 % 10 = 1
So 926653-42-1 is a valid CAS Registry Number.
926653-42-1Relevant articles and documents
Total synthesis of (+)-obtusenyne
Uemura, Toshiyuki,Suzuki, Toshio,Onodera, Naohiro,Hagiwara, Hisahiro,Hoshi, Takashi
, p. 715 - 719 (2007/10/03)
The stereoselective total synthesis of (+)-obtusenyne is described. The oxonene skeleton possessing trans-orientated alkyl substituents at the α,α′-positions was stereoselectively constructed via cyclization of the corresponding hydroxy epoxide promoted b
