2923-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2923-19-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,2 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2923-19:
(6*2)+(5*9)+(4*2)+(3*3)+(2*1)+(1*9)=85
85 % 10 = 5
So 2923-19-5 is a valid CAS Registry Number.
2923-19-5Relevant articles and documents
Organothallium compounds. Reaction of phenylhydrazine with thallium(III) oxide
Gun'kin
, p. 824 - 825 (2007/10/03)
Phenylhydrazine reacts with thallium(III) oxide in benzene to give organothallium compounds. Reactions of these compounds with acids afford diphenylthallium salts.