82980-00-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82980-00-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,9,8 and 0 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 82980-00:
(7*8)+(6*2)+(5*9)+(4*8)+(3*0)+(2*0)+(1*0)=145
145 % 10 = 5
So 82980-00-5 is a valid CAS Registry Number.
82980-00-5Relevant articles and documents
2-Hydroxyindazoles
Takada, Kotaro,Kan-Woon, Thoe,Boulton, A. J.
, p. 4323 - 4326 (1982)
Thermolysis of 2-azidophenyl ketoximes provides 2-hydroxyindazoles, which in aqueous salution usually exist in the alternative 1H-indazole 2-oxide tautomeric forms.Both N- and O-substituted derivatives are produced on alkylation.