87223-48-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87223-48-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,2 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87223-48:
(7*8)+(6*7)+(5*2)+(4*2)+(3*3)+(2*4)+(1*8)=141
141 % 10 = 1
So 87223-48-1 is a valid CAS Registry Number.
87223-48-1Relevant articles and documents
A NOVEL SYNTHESIS OF 5-ACYLAMINOBENZIMIDAZOLE-2-CARBAMATES: INTRAMOLECULAR REGIOSELECTIVE ADDITION TO QUINONE-IMIDES
Rajappa, S.,Sreenivasan, R.,Rane, A. V.
, p. 3155 - 3158 (1983)
Oxidation of N',N''-biscarbomethoxy-N-(4-acylamino)phenylguanidines with lead tetraacetate has given novel 5-acylamino-benzimidazole-2-carbamates by a process involving regioselective cyclization of intermediate quinoneimides.
