422511-37-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 422511-37-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,2,5,1 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 422511-37:
(8*4)+(7*2)+(6*2)+(5*5)+(4*1)+(3*1)+(2*3)+(1*7)=103
103 % 10 = 3
So 422511-37-3 is a valid CAS Registry Number.
422511-37-3Relevant articles and documents
Synthesis and Diels-Alder reactions of the furo[3,4-b]pyrrole ring system. A new indole ring synthesis
Moskalev, Nikolai V.,Gribble, Gordon W.
, p. 197 - 201 (2007/10/03)
The previously unknown furo[3,4-b]pyrrole ring system has been synthesized from the appropriate pyrrolo hydroxyketones by acid-catalyzed cyclodehydration. Diels-Alder reactions of these furo[3,4-b]pyrroles affords a new synthesis of indoles.
