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115505-20-9

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115505-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 115505-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,5,0 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 115505-20:
(8*1)+(7*1)+(6*5)+(5*5)+(4*0)+(3*5)+(2*2)+(1*0)=89
89 % 10 = 9
So 115505-20-9 is a valid CAS Registry Number.

115505-20-9Relevant articles and documents

Silyl Derivatives in the Synthesis of trans-β-Trimethylsilyl-α,β-unsaturated Ketones

Christiansen, Mette Lene,Benneche, Tore,Undheim, Kjell

, p. 536 - 540 (2007/10/02)

Methods for the preparation of α-halo-α-(trimethylsilyl)methyl ethers are described.These substances react with (trimethylsilyl)methyl ketones to yield β-methoxy-β-(trimethylsilyl)ethyl ketones.Sodium trimethylsilanoate in dichloromethane solution has bee

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