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1240487-20-0

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1240487-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240487-20-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,4,8 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1240487-20:
(9*1)+(8*2)+(7*4)+(6*0)+(5*4)+(4*8)+(3*7)+(2*2)+(1*0)=130
130 % 10 = 0
So 1240487-20-0 is a valid CAS Registry Number.

1240487-20-0Downstream Products

1240487-20-0Relevant articles and documents

Rearrangement of 4-oxobutane-1,1,2,2-tetracarbonitriles to the penta-1,3-diene-1,1,3-tricarbonitrile moiety as an approach to novel acceptors for donor–acceptor chromophores

Belikov, Mikhail Yu.,Fedoseev, Sergey V.,Ershov, Oleg V.,Ievlev, Mikhail Yu.,Tafeenko, Viktor A.

, p. 4101 - 4104 (2016/08/18)

The rearrangement of 4-oxobutane-1,1,2,2-tetracarbonitriles to give the penta-1,3-diene-1,1,3-tricarbonitrile moiety, accompanied by elongation of the carbon chain via introduction of the cyano group carbon atom to the carbon skeleton, is described. The r

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