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157307-32-9

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157307-32-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157307-32-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,3,0 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 157307-32:
(8*1)+(7*5)+(6*7)+(5*3)+(4*0)+(3*7)+(2*3)+(1*2)=129
129 % 10 = 9
So 157307-32-9 is a valid CAS Registry Number.

157307-32-9Downstream Products

157307-32-9Relevant academic research and scientific papers

Intramolecular pauson-khand reactions of methylenecyclopropane and bicyclopropylidene derivatives as an approach to spiro(cyclopropanebicyclo[n.3. 0]alkenones)

De Meijere, Armin,Becker, Heike,Stolle, Andreas,Kozhushkov, Sergei I.,Teresa Bes,Salauein, Jacques,Noltemeyer, Mathias

, p. 2471 - 2482 (2005)

Intramolecular Pauson-Khand reactions of methylenecyclopropane and bicyclopropylidene were performed to develop spiro(cyclopropanebicyclo[n.3.0] alkenones. Pauson-Khand reactions of the methylenecyclopropane derivatives with a substituent on the ring as w

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