88220-28-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 88220-28-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,2,2 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 88220-28:
(7*8)+(6*8)+(5*2)+(4*2)+(3*0)+(2*2)+(1*8)=134
134 % 10 = 4
So 88220-28-4 is a valid CAS Registry Number.
88220-28-4Relevant articles and documents
The Synthesis of Dinaphthothiophenes
Tedjamulia, Marvin L.,Tominaga, Yoshinori,Castle, Raymond N.,Lee, Milton L.
, p. 1143 - 1148 (2007/10/02)
The synthesis of dinaphthothiophene (6), dinaphthothiophene (15), dinaphthothiophene (20), dinaphthothiophene (26), dinaphthothiophene (37) and dinaphthothiophene (45) has been accomplished.
