159701-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159701-15-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,7,0 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 159701-15:
(8*1)+(7*5)+(6*9)+(5*7)+(4*0)+(3*1)+(2*1)+(1*5)=142
142 % 10 = 2
So 159701-15-2 is a valid CAS Registry Number.
159701-15-2Relevant articles and documents
Enantioselective syntheses of polyhydroxylated nortropane derivatives: Total synthesis of (+) and (-)-calystegine B2
Boyer, Francois-Didier,Lallemand, Jean-Yves
, p. 10443 - 10458 (2007/10/02)
(+) and (-)-Calystegine B2 were prepared from D-Glucose via Ferrier reaction followed by regiospecific ring enlargement of a polysubstituted cyclohexanone and intramolecular cyclisation of 4-aminocycloheptanone.