950478-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 950478-56-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,0,4,7 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 950478-56:
(8*9)+(7*5)+(6*0)+(5*4)+(4*7)+(3*8)+(2*5)+(1*6)=195
195 % 10 = 5
So 950478-56-5 is a valid CAS Registry Number.
950478-56-5Relevant articles and documents
Synthesis of santiagonamine
Markey, Michael D.,Ying, Fu,Kelly, T. Ross
, p. 3255 - 3257 (2007)
The first total synthesis of santiagonamine (1) is achieved in 12 steps from isovanillin. A palladium-catalyzed Ullmann cross-coupling reaction and a photocyclization are the key steps in the synthesis.