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120446-37-9

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120446-37-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120446-37-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,4,4 and 6 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 120446-37:
(8*1)+(7*2)+(6*0)+(5*4)+(4*4)+(3*6)+(2*3)+(1*7)=89
89 % 10 = 9
So 120446-37-9 is a valid CAS Registry Number.

120446-37-9Downstream Products

120446-37-9Relevant articles and documents

Synthesis of Cyclobutenes by the Novel Photochemical Ring Contraction of 4-Substituted 2-Amino-3,5-dicyao-6-phenyl-4H-pyrans

Armesto, Diego,Horspool, William M.,Martin, Nazario,Ramos, Ana,Seoane, Carlos

, p. 3069 - 3072 (2007/10/02)

4-Substituted 2-amino-3,5-dicyano-6-phenyl-4H-pyrans undergo a novel photochemical ring contraction to cyclobutenes from the triplet state.For example, irradiation of a solution of 2-amino-3,5-dicyano-6-phenyl-4H-pyran-4-spirocyclopentane (9a) in methylen

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