94507-20-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94507-20-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,5,0 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 94507-20:
(7*9)+(6*4)+(5*5)+(4*0)+(3*7)+(2*2)+(1*0)=137
137 % 10 = 7
So 94507-20-7 is a valid CAS Registry Number.
94507-20-7Relevant articles and documents
Synthesis of 7-Azadispiropentadecane and 6-Azadispirotetradecane
Wagner, E. R.,Matthews, D. P.
, p. 1289 - 1291 (2007/10/02)
Two new, hindered secondary amines, 7-azadispiropentadecane hydrochloride (1a) and 6-azadispirotetradecane hydrochloride (1b), have been prepared in four steps from 1-ethynylcyclohexylamine (2).The final thermal cyclization of 1-(2-(1-am