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238413-45-1

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238413-45-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 238413-45-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,8,4,1 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 238413-45:
(8*2)+(7*3)+(6*8)+(5*4)+(4*1)+(3*3)+(2*4)+(1*5)=131
131 % 10 = 1
So 238413-45-1 is a valid CAS Registry Number.

238413-45-1Relevant articles and documents

PROCESSES FOR PREPARATION OF CYCLOPROPYLETHANOL, CYCLO-PROPYLACETONITRILE AND INTERMEDIATES OF BOTH

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Page 6, (2010/02/07)

A process for preparation of cyclopropylethanol, which comprises subjecting a 3-cyclopropyl-2,3-epoxypropionic acid ester to solvolysis, treating the product of the solvolysis with an acid to obtain cyclopropylacetaldehyde, and reducing the obtained cyclopropylacetaldehyde; and a process for preparation of cyclopropylacetonitrile, which comprises subjecting a 3-cyclopropyl-2,3-epoxypropionic acid ester to solvolysis in the presence of a base, treating the product of the solvolysis with an acid to obtain cyclopropylacetaldehyde, reacting the obtained cyclopropylacetaldehyde with hydroxylamine or salts thereof to obtain cyclopropaneacetaldehyde oxime, and reacting the obtained cyclopropaneacetaldehyde oxime with acetic anhydride. According to the present invention, cyclopropylethanol and cyclopropylacetonitrile can be prepared at low costs and industrially advantageously.

Baccatin derivatives and processes for preparing the same

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, (2008/06/13)

A compound represented by the formula [I]: STR1 wherein R3 represents a lower alkanoyl group; R4 represents a substituted or unsubstituted benzoyl group; ring A represents a substituted or unsubstituted cyclopropane ring; X represent

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