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89036-99-7

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89036-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89036-99-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,0,3 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89036-99:
(7*8)+(6*9)+(5*0)+(4*3)+(3*6)+(2*9)+(1*9)=167
167 % 10 = 7
So 89036-99-7 is a valid CAS Registry Number.

89036-99-7Relevant articles and documents

DIVERGENT SYNTHESIS OF 1,3- AND 1,4-DIKETONES FROM β-METHOXY-γ-PHENYLTHIO KETONES ACCESSIBLE THROUGH NOVEL PHENYLTHIO MIGRATION REACTION

Sato, Tsuneo,Inoue, Masami,Kobara, Satoru,Otera, Junzo,Nozaki, Hitosi

, p. 91 - 94 (1989)

Both 1,3- and 1.4-diketones are obtained from common precursors, β-methoxy-γ-phenylthio ketones.These compounds are derived through the novel phenylthio migration reaction of the aldehyde adducts with methoxy(phenylthio)-methane upon exposure to enol silyl ethers.The compounds thus obtained are converted into 1,3- and 1,4-diketones.

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