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1619909-62-4

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1619909-62-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1619909-62-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,9,9,0 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1619909-62:
(9*1)+(8*6)+(7*1)+(6*9)+(5*9)+(4*0)+(3*9)+(2*6)+(1*2)=204
204 % 10 = 4
So 1619909-62-4 is a valid CAS Registry Number.

1619909-62-4Downstream Products

1619909-62-4Relevant articles and documents

Construction of fused- and spiro-oxa-[n.2.1] skeletons by a tandem epoxide rearrangement/intramolecular [3+2] cycloaddition of cyclopropanes with carbonyls

Wang, Lu-Feng,Shi, Zi-Fa,Cao, Xiao-Ping,Li, Bao-Sheng,An, Peng

supporting information, p. 8061 - 8064 (2014/07/08)

A Lewis acid promoted tandem reaction of epoxide rearrangement and intramolecular [3+2] cycloaddition reaction of cyclopropanes with carbonyls formed by epoxide rearrangement in situ, which were obtained with difficulty by a general method, is reported. A wide variety of fused- and spiro-oxa-[n.2.1] skeletons could be efficiently constructed. the Partner Organisations 2014.

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