1144161-43-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1144161-43-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,4,1,6 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1144161-43:
(9*1)+(8*1)+(7*4)+(6*4)+(5*1)+(4*6)+(3*1)+(2*4)+(1*3)=112
112 % 10 = 2
So 1144161-43-2 is a valid CAS Registry Number.
1144161-43-2Relevant articles and documents
Total synthesis of (-)-norzoanthamine
Yamashita, Daisuke,Murata, Yoshihisa,Hikage, Naotsuka,Takao, Ken-Ichi,Nakazaki, Atsuo,Kobayashi, Susumu
, p. 1404 - 1406 (2009)
No bones about it: (-)-Norzoanthamine, a promising candidate for an anti-osteoporotic drug, was the target of a total synthesis (see scheme). The final bisaminal formation with AcOH/H2O gave the DEFG ring, while the cyclization precursor was pr