454450-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 454450-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,4,4,5 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 454450-90:
(8*4)+(7*5)+(6*4)+(5*4)+(4*5)+(3*0)+(2*9)+(1*0)=149
149 % 10 = 9
So 454450-90-9 is a valid CAS Registry Number.
454450-90-9Relevant articles and documents
Enantioselective total synthesis of quadrigemine C and psycholeine
Lebsack, Alec D.,Link,Overman, Larry E.,Stearns, Brian A.
, p. 9008 - 9009 (2007/10/03)
The first total syntheses of higher-order members of the polypyrrolidinoindoline alkaloid family are reported. The synthesis of quadrigemine C (1) and psycholeine (3) begins with synthetic meso-chimonanthine (4), which is synthesized from commercially ava
