Cas 90865-49-9,(S)-4,4-dimethyl-1-pentyn-3-ol

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Check Digit Verification of cas no

The CAS Registry Mumber 90865-49-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,6 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90865-49:
(7*9)+(6*0)+(5*8)+(4*6)+(3*5)+(2*4)+(1*9)=159
159 % 10 = 9
So 90865-49-9 is a valid CAS Registry Number.

90865-49-9Upstream product

153123-08-1 (S_S,S)-(E)-4,4-dimethyl-2-(p-tolylsulfinyl)-1-(trimethylsilyl)-1-penten-3-ol

90865-49-9Downstream Products

318472-87-6 (S)-4,4-dimethylpenta-1,2-dienyl phenyl sulfoxide

90865-49-9Relevant academic research and scientific papers

Convenient Preparation of Optically Pure Propargylic Alcohols Using 2-(Trimethylsilyl)vinyl Sulfoxide As A Novel Chiral Synthon

Kusuda, Shinya,Kawamura, Kiyoshi,Ueno, Yoshio,Toru, Takeshi

, p. 6587 - 6590 (2007/10/02)

Both enentiomers of optically pure propargylic alcohols are conveniently prepared by the reaction of α-vinyl anion of 2-(trimethylsilyl)vinyl p-tolyl sulfoxide with aldehydes and subsequent either desilylsulfination or thermal elimination of the sulfinyl group.

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