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945228-79-5

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945228-79-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 945228-79-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,5,2,2 and 8 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 945228-79:
(8*9)+(7*4)+(6*5)+(5*2)+(4*2)+(3*8)+(2*7)+(1*9)=195
195 % 10 = 5
So 945228-79-5 is a valid CAS Registry Number.

945228-79-5Upstream product

945228-79-5Downstream Products

945228-79-5Relevant articles and documents

Thiocarbene and alkoxycarbene tungsten complexes exhibit typically different reaction paths

Nitsche, Frank,Aumann, Rudolf,Fr?hlich, Roland

, p. 2971 - 2989 (2008/02/02)

The condensation of (butyl)thiocarbene tungsten complex [(OC)5W{double bond, long}C(SEt)Bu] (1a) with an α,β-unsaturated secondary acid amide R2CH{double bond, long}CHC({double bond, long}O)NHR1 4 in the presence of POCl3/Et3N gives cyclopentadienimines 12, whereas the isostructural alkoxycarbene complex [(OC)5W{double bond, long}C(OEt)Bu] (1c) under similar conditions affords a (N-enamino)ethoxycarbene compound 9. Furthermore, condensation of the (methyl)thiocarbene tungsten complex [(OC)5W{double bond, long}C(SEt)Me] (1b) with an amide 4 yields cyclopentenimines 19 and allenylidene complexes 20, whereas the corresponding ethoxycarbene complex [(OC)5W{double bond, long}C(OEt)CH3] (1d) forms 4-NH-amino-1-tungsta-1,3,5-hexatrienes 16 under similar conditions.

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