109971-09-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109971-09-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,7 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109971-09:
(8*1)+(7*0)+(6*9)+(5*9)+(4*7)+(3*1)+(2*0)+(1*9)=147
147 % 10 = 7
So 109971-09-7 is a valid CAS Registry Number.
109971-09-7Relevant academic research and scientific papers
PROSTANOIDS. XVIII. SYNTHONS FOR CARBACYCLIN
Lesnikova, E. T.,Miftakhov, M. S.,Tolstikov, G. A.
, p. 1882 - 1889 (2007/10/02)
4-exo-Trimethylsilylbicyclooct-2-en-7-one, which contains the carbacyclin bicyclic system and is convenient for further construction of the acid chain, was obtained from 5-trimethylsilylcyclopentadiene.Some reactions of this compound with electroph