30962-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30962-81-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,9,6 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 30962-81:
(7*3)+(6*0)+(5*9)+(4*6)+(3*2)+(2*8)+(1*1)=113
113 % 10 = 3
So 30962-81-3 is a valid CAS Registry Number.
30962-81-3Relevant articles and documents
SEMICARBAZONES AND THIOSEMICARBAZONES OF THE HETEROCYCLIC SERIES
Tomchin, A. B.,Tumanova, I. V.
, p. 1146 - 1148 (2007/10/02)
When heated with an aqueous solution of potassium carbonate, 5-nitroisatin 3-thiosemicarbazone does not form 8-nitro-1,2,4-triazinoindole-3-thione, as indicated earlier, but forms 6-(2-amino-5-nitrophenyl)-5-oxo-1,2,4-triazine-3-thione and 5-nitro-
