77728-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77728-97-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,2 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77728-97:
(7*7)+(6*7)+(5*7)+(4*2)+(3*8)+(2*9)+(1*7)=183
183 % 10 = 3
So 77728-97-3 is a valid CAS Registry Number.
77728-97-3Relevant articles and documents
Condensation of 2,1,3-Benzothiadiazole-4,5-diamine with Aromatic Aldehydes
Rao, P. Shanthan,Veeranagaiah, V.
, p. 111 - 113 (2007/10/02)
The condensation of 2,1,3-benzothiadiazole-4,5-diamine (I) with aromatic aldehydes yields three types of crystalline products II, III and IV.Compounds II and III have been characterized as isomeric 7-aryl-8 or 6-aralkylimidazobenzothiadiazoles, and IV as
