84641-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84641-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,6,4 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 84641-98:
(7*8)+(6*4)+(5*6)+(4*4)+(3*1)+(2*9)+(1*8)=155
155 % 10 = 5
So 84641-98-5 is a valid CAS Registry Number.
84641-98-5Relevant articles and documents
Synthesis of Benzophenalenothiophene and Benzophenalenothiophene
Tominaga, Yoshinori,Castle, Raymond N.
, p. 1125 - 1130 (2007/10/02)
Two pentacyclic thiophenes, benzophenalenothiophene (1) and benzophenalenothiophene (2) were synthesized via the corresponding 3-methylphenanthrothiophene (7) and 1-methylanthrathiphene (19).