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72049-82-2

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72049-82-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72049-82-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,4 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 72049-82:
(7*7)+(6*2)+(5*0)+(4*4)+(3*9)+(2*8)+(1*2)=122
122 % 10 = 2
So 72049-82-2 is a valid CAS Registry Number.

72049-82-2Downstream Products

72049-82-2Relevant articles and documents

Convenient Synthesis of Jasmonoid Compounds from γ-(Trimethylsiloxy)butyronitrile

Matsuda, Isamu,Murata, Shizuaki,Izumi, Yusuke

, p. 237 - 240 (1980)

1,4-Dioxygenated compounds 4 are constructed by the addition of a Grignard reagent to γ-(trimethylsiloxy)nitriles 1,2, and 3 and subsequent hydrolysis.Oxidation of 4 with pyridinium chlorochromate or Jones reagent yields compounds 5 which are used to produce cyclopentenones 6.Methyl jasmonate and methyl dihydrojasmonate are made by the conjugate addition of silylated ketene acetal 9 to 6a and 6b, respectively, and subsequent protodesilylation. γ-Jasmolactone is also derived from 4a by oxidation with pyridinium dichromate in DMF followed by reduction with NaBH4 in ethanol.

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