139420-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139420-82-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,2 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139420-82:
(8*1)+(7*3)+(6*9)+(5*4)+(4*2)+(3*0)+(2*8)+(1*2)=129
129 % 10 = 9
So 139420-82-9 is a valid CAS Registry Number.
139420-82-9Relevant academic research and scientific papers
Bach
, p. 7037 - 7038 (1991)
Benzaldehyde reacts photochemically with various trimethylsilyl enol ethers to furnish 3-trimethylsilyloxy-oxetanes in moderate to fair fields. The photocycloaddition proceeds with excellent regio- and diastereoselectivity.
