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94445-38-2

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94445-38-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94445-38-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,4,4 and 5 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 94445-38:
(7*9)+(6*4)+(5*4)+(4*4)+(3*5)+(2*3)+(1*8)=152
152 % 10 = 2
So 94445-38-2 is a valid CAS Registry Number.

94445-38-2Downstream Products

94445-38-2Relevant articles and documents

Dipolar cycloaddition reactions of diazoindene and the thermal behavior of the cycloadducts

Padwa, Albert,Goldstein, Steven I.

, p. 2506 - 2514 (2007/10/02)

A study of the dipolar cycloaddition behavior of diazoindene toward electron-deficient acetylenic and olefinic dipolarophiles has been carried out.Reactions with alkynes afford transient 1,3-dipolar cycloadducts.Product formation can be attributed to a substituent-dependent partioning between spiro 3H-pyrazole adducts and ring opened diazoalkenes.The initially formed cycloadducts lose nitrogen to give a spirocyclopropene derivative or undergo the van Alpen - Huttel rearrangement.When olefinic dipolarophiles are used, nitrogen deficient 1:1 adducts are isolated.The formation of the product involves the further loss of nitrogen from the initially formed spiropyrazoline adduct.

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