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74609-73-7

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74609-73-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74609-73-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,0 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74609-73:
(7*7)+(6*4)+(5*6)+(4*0)+(3*9)+(2*7)+(1*3)=147
147 % 10 = 7
So 74609-73-7 is a valid CAS Registry Number.

74609-73-7Downstream Products

74609-73-7Relevant articles and documents

α-Nitro Ketones. 5. Synthesis of 2-Nitrocyclopentanones

Elfehail. Fadia E.,Zajac, Walter W.

, p. 5151 - 5155 (1981)

The synthesis of the trans-3-methyl-, trans-trans- and trans-cis-3,4-dimethyl-, trans-3,5,5-trimethyl-, and cis- and trans-5-methyl-2-nitrocyclopentanones was accomplished by nitration of substituted cyclopentanone enol acetates with nitric acid at 15 deg

α-Nitro Ketones. 3. Stereochemistry of the Nitration of 1-Acetoxycyclohexenes: Synthesis of 2-Nitrocyclohexanones

Oezbal, Hadi,Zajac, Walter W.

, p. 3082 - 3087 (2007/10/02)

The nitration of enol acetates of substituted cyclohexanones in acetic anhydride at 15 deg C with concentrated nitric acid is a kinetically controlled process which can lead to cis-trans-substituted 2-nitrocyclohexanones in very good yields.The stereochem

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