123077-81-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123077-81-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,0,7 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 123077-81:
(8*1)+(7*2)+(6*3)+(5*0)+(4*7)+(3*7)+(2*8)+(1*1)=106
106 % 10 = 6
So 123077-81-6 is a valid CAS Registry Number.
123077-81-6Relevant articles and documents
Transformations Starting from Biotechnologically Available Materials, I.A Convenient Preparative Route to 1-Oxa-5-azaspiroheptane Systems
Svetlik, Jan,Veverka, Miroslav
, p. 111 - 112 (2007/10/02)
A simple, efficient procedure for the conversion of N-arylitaconimides 3a-f into novel 5-aryl-1-oxa-5-azaspiro-heptane-4,6-diones 4a-f using peroxytrifluoroacetic acid is described.