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89975-09-7

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89975-09-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89975-09-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,7 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89975-09:
(7*8)+(6*9)+(5*9)+(4*7)+(3*5)+(2*0)+(1*9)=207
207 % 10 = 7
So 89975-09-7 is a valid CAS Registry Number.

89975-09-7Upstream product

89975-09-7Downstream Products

89975-09-7Relevant articles and documents

Transition-metal complexes corresponding to the insertion into a group 4B element-carbon bond. 3. Reactivity of complexes with unsaturated carbon-carbon bonds. Crystal structure of (η5-cyclopentadienyl)(triphenylgermyl) (η3-hexenyl) nitrosylmolybdenum

Carré, Francis,Colomer, Ernesto,Corriu, Robert J. P.,Vioux, André

, p. 970 - 977 (2008/10/08)

Anions of the type [(η5-C5H5)(CO)(L)(M4BPh 3)MT]- (L = CO, NO; M4B - Si, Ge, Sn; MT = Mn, Mo, W) react with allyl halides, affording neutral σ-bonded alkenyl derivatives. These new complexes can rearrange to η3-allyl complexes and also lose (allyl)M4B to give η2-allyl complexes. According to the nature of both the transition metal and the group 4B metal η1, η3, or η2 complexes are obtained. A mechanism for these successive reactions is proposed. Butenyl and hexenyl iodides also react with the anions, affording η1 complexes that can eliminate CO and rearrange to a η3 ligand as shown by X-ray structure determination.

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