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130159-58-9

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130159-58-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130159-58-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,1,5 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 130159-58:
(8*1)+(7*3)+(6*0)+(5*1)+(4*5)+(3*9)+(2*5)+(1*8)=99
99 % 10 = 9
So 130159-58-9 is a valid CAS Registry Number.

130159-58-9Downstream Products

130159-58-9Relevant articles and documents

Synthesis and Reactions of 1-(2-Oxopropyl)pyridazin-6-ones

Choi, Woo-Yong,Cho, Su-Dong,Kim, Sung-Kyu,Yoon, Yong-Jin

, p. 1307 - 1313 (1997)

Oxopropylation of 4,5-dihalopyridazin-6-ones with chloroacetone afforded the corresponding 1-(2-oxopropyl) derivatives. Reaction of title compound with nucleophiles such as amines, alkoxides were investigated. In addition, selective reduction of 3-nitro-1-(2-oxopropyl)pyridazin-6-ones with iron/ammonium chloride in two phase solutions or zinc in acetic acid gave the corresponding 3-amino or 3-hydroxyimino derivatives.

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