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1273298-90-0

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1273298-90-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1273298-90-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,3,2,9 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1273298-90:
(9*1)+(8*2)+(7*7)+(6*3)+(5*2)+(4*9)+(3*8)+(2*9)+(1*0)=180
180 % 10 = 0
So 1273298-90-0 is a valid CAS Registry Number.

1273298-90-0Downstream Products

1273298-90-0Relevant articles and documents

Alkene isomerization/enamide-ene and diene metathesis for the construction of indoles, quinolines, benzofurans and chromenes with a chiral cyclopropane substituent

Kobayashi, Takaaki,Arisawa, Mitsuhiro,Shuto, Satoshi

, p. 1219 - 1224 (2011/04/15)

A synthetic method for bicyclic heterocycles, such as indole, benzofuran and chromene derivatives bearing a chiral cyclopropane at the 2-position, was established using isomerization of a terminal olefin and enamide-ene or diene metathesis. This route can also be applied to chiral 2-cyclopropylquinoline synthesis (both cis and trans).

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