117644-95-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117644-95-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,4 and 4 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117644-95:
(8*1)+(7*1)+(6*7)+(5*6)+(4*4)+(3*4)+(2*9)+(1*5)=138
138 % 10 = 8
So 117644-95-8 is a valid CAS Registry Number.
117644-95-8Relevant articles and documents
Regioselective formation of 4-isoxazolines from n-aryl nitrones and alkynes
Libuori,Ottana,Romeo,Sindona,Uccella
, p. 1247 - 1253 (2007/10/02)
4-Regioisomeric 4-isoxazolines are selectively formed by 1,3-dipolar cycloaddition of N-arylnitrones to substituted alkynes. The reactivity and regioselectivity of the addition process are interpreted by the application of FMO principles. Secondary orbita