83656-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83656-91-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,6,5 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 83656-91:
(7*8)+(6*3)+(5*6)+(4*5)+(3*6)+(2*9)+(1*1)=161
161 % 10 = 1
So 83656-91-1 is a valid CAS Registry Number.
83656-91-1Relevant academic research and scientific papers
The Synthesis of the Monomethyl Derivatives of Benzonaphthothiophene
Pratap, Ram,Tominaga, Yoshinori,Castle, Raymond N.,Lee, Milton L.
, p. 865 - 869 (2007/10/02)
The synthesis of all the monomethyl derivatives of benzonaphthothiophene is described.
