55883-43-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55883-43-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,8,8 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 55883-43:
(7*5)+(6*5)+(5*8)+(4*8)+(3*3)+(2*4)+(1*3)=157
157 % 10 = 7
So 55883-43-7 is a valid CAS Registry Number.
55883-43-7Relevant articles and documents
A NOVEL SYNTHETIC ROUTE TO 2-ARYL-2H-BENZOTRIAZOLE 1-OXIDES
Niclas, H.-J.,Goehrmann, B.
, p. 2141 - 2150 (2007/10/02)
The reaction of benzofuroxan 1 with sodium or potassium salts of formanilides 2 affords 2-aryl-2H-benzotriazole 1-oxides 3 in moderate to good yields.By heating the reactants in toluene or DMSO formal O/N exchange with elimination of alkali formate takes
