109805-35-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109805-35-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,0 and 5 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 109805-35:
(8*1)+(7*0)+(6*9)+(5*8)+(4*0)+(3*5)+(2*3)+(1*5)=128
128 % 10 = 8
So 109805-35-8 is a valid CAS Registry Number.
109805-35-8Relevant articles and documents
De novo synthesis of thiophenes on a polymeric support
Traversone, Antonio,Brill, Wolfgang K.-D.
, p. 3535 - 3538 (2008/02/06)
The Hinsberg thiophene synthesis was expanded to support bound thioglycolic acid derived synthons, which reacted with arils to give thiophenes in high purity.