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(S)-(-)-4,5-dibenzyloxy-4-methyl-1-pentene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

136025-69-9

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136025-69-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136025-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,0,2 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136025-69:
(8*1)+(7*3)+(6*6)+(5*0)+(4*2)+(3*5)+(2*6)+(1*9)=109
109 % 10 = 9
So 136025-69-9 is a valid CAS Registry Number.

136025-69-9Relevant academic research and scientific papers

A Synthesis of Natural α-Tocopherol Intermediate

Sugai, Takeshi,Watanabe, Naoyuki,Ohta, Hiromichi

, p. 371 - 376 (1991)

(S)-(-)-6-Hydroxy-2,5,7,8-tetramethyl-2-chromanmethanol, an intermediate of natural α-tocopherol was synthesized from (S)-2-benzyloxy-2-methyl-4-pentenoic acid, which was obtained by the enzymatic hydrolysis of the corresponding racemic methyl ester.

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