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1256845-80-3

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1256845-80-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256845-80-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,8,4 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1256845-80:
(9*1)+(8*2)+(7*5)+(6*6)+(5*8)+(4*4)+(3*5)+(2*8)+(1*0)=183
183 % 10 = 3
So 1256845-80-3 is a valid CAS Registry Number.

1256845-80-3Downstream Products

1256845-80-3Relevant articles and documents

Direct conversion of β-hydroxyketones to cyclic disiloxanes

O'Neil, Gregory W.,Miller, Michael M.,Carter, Kyle P.

supporting information; experimental part, p. 5350 - 5353 (2011/01/05)

β-Hydroxyketones can be directly converted to cyclic disiloxanes using diphenylchlorosilane in the presence of imidazole and an amine base. The reaction is proposed to proceed via a nucleophilic activation mechanism through a cyclic chairlike transition state affording hydrosilylated products with high diastereoselectivity.

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