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109925-96-4

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109925-96-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109925-96-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,2 and 5 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 109925-96:
(8*1)+(7*0)+(6*9)+(5*9)+(4*2)+(3*5)+(2*9)+(1*6)=154
154 % 10 = 4
So 109925-96-4 is a valid CAS Registry Number.

109925-96-4Downstream Products

109925-96-4Relevant articles and documents

Efficient Synthesis of 6-Trimethylsiloxy- and 6-(Trimethylsilyl)methyl-3-phenyl-5,6-dihydroxy-4H-1,2-oxazines by Cycloaddition of α-Nitrosostyrene to Silyl Enol Ethers and Allyltrimethylsilane

Hippeli, Claudia,Reissig, Hans-Ulrich

, p. 77 - 79 (2007/10/02)

The title compounds 3 are prepared in good yield from silyl enol ether 1 and α-nitrosostyrene 2, generated in situ from α-chloroacetophenone oxime 4.Allyltrimethylsilane smoothly affords cycloadduct 5 which could be opened to the unsturated ketone 6 or am

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