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640273-99-0

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640273-99-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 640273-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,0,2,7 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 640273-99:
(8*6)+(7*4)+(6*0)+(5*2)+(4*7)+(3*3)+(2*9)+(1*9)=150
150 % 10 = 0
So 640273-99-0 is a valid CAS Registry Number.

640273-99-0Downstream Products

640273-99-0Relevant articles and documents

The reaction of iron carboxylates with titanium alkoxides. Isolation and structural characterisation of [Ti6(μ3-O) 6(O2CPh)6(OCH2C(CH3) 3)6]

Ammala, Paul S.,Batten, Stuart R.,Kepert, Christopher M.,Spiccia, Leone,Van Den Bergen, Adrian M.,West, Bruce O.

, p. 75 - 81 (2003)

The reaction of [Fe4(μ3-O)2(O 2CPh)8(py)2] (1) with Ti(OPrn) 4 in toluene yields separate Fe and Ti species each containing both carboxylate and alkoxide groups rather than a bimetallic Fe-Ti complex. The addition of neopentanol to the reaction mixture has enabled [Ti 6(μ3-O)6(O2CPh) 6(OCH2C(CH3)3)6] (3) to be isolated and structurally identified. The compound [Ti6(μ 3-O)4(O2CPh)8(OPrn) 8] (4) has also been characterised and shown not to convert to a {Ti6(μ3-O)6}12+ core compound under the same temperature conditions used in the Fe-Ti reactions.

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