88737-22-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 88737-22-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,7,3 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 88737-22:
(7*8)+(6*8)+(5*7)+(4*3)+(3*7)+(2*2)+(1*2)=178
178 % 10 = 8
So 88737-22-8 is a valid CAS Registry Number.
88737-22-8Relevant articles and documents
Synthesis of Benzofurodiazepines
Gatta, Franco,Settimj, Guido
, p. 1251 - 1254 (2007/10/02)
A synthesis of 4-N-oxides and of 3-hydroxy derivatives of 1,3-dihydro-2H-benzofurodiazepin-2-ones and of 2,3-dihydro-1H-benzofurodiazepines is described.Condensation of 2-acetyl- and 2-benzoyl-3-ethoxycarbonylaminobenzofurans with