80090-37-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80090-37-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,0,9 and 0 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80090-37:
(7*8)+(6*0)+(5*0)+(4*9)+(3*0)+(2*3)+(1*7)=105
105 % 10 = 5
So 80090-37-5 is a valid CAS Registry Number.
80090-37-5Relevant articles and documents
Synthesis of Anthrathiophenes and Benzonaphthothiophenes
Tominaga, Yoshinori,Lee, Milton L.,Castle, Raymond N.
, p. 967 - 972 (2007/10/02)
All isomers of the parent anthrathiophenes and benzonaphthothiophenes, namely anthrathiophene, anthrathiophene, anthrathiophene, benzonaphthothiophene, benzonaphthothiophene and benzonaphthothiophene were synthesized using a new procedure.