428507-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 428507-28-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,8,5,0 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 428507-28:
(8*4)+(7*2)+(6*8)+(5*5)+(4*0)+(3*7)+(2*2)+(1*8)=152
152 % 10 = 2
So 428507-28-2 is a valid CAS Registry Number.
428507-28-2Relevant articles and documents
The isolation and use of a benzodiazepine iminochloride for the efficient construction of flumazenil
Rogers-Evans, Mark,Spurr, Paul,Hennig, Michael
, p. 2425 - 2428 (2003)
The benzodiazepine iminochloride 2 has been isolated, characterized and its reaction with a glycinate enolate synthon investigated resulting in an efficient synthesis of the imidazobenzodiazepine flumazenil.