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20777-36-0

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20777-36-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20777-36-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,7,7 and 7 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 20777-36:
(7*2)+(6*0)+(5*7)+(4*7)+(3*7)+(2*3)+(1*6)=110
110 % 10 = 0
So 20777-36-0 is a valid CAS Registry Number.

20777-36-0Relevant articles and documents

A Method For Preparing (Meth)Acrylic Acid Ester Based Compound

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Paragraph 0071-0072, (2021/05/07)

The invention relates to a method for preparing a (meth)acrylic acid ester-based compound, and according to the preparation method, a (meth)acrylic acid ester-based compound can be prepared with high purity and high yield, by easily introducing an acrylic structure into alcohol using a diamine-based compound and acid anhydride.

Continuous-Flow Chemo and Enzymatic Synthesis of Monoterpenic Esters with Integrated Purification

Adarme, Carlos A.A.,Le?o, Raquel A.C.,de Souza, Stefania P.,Itabaiana, Ivaldo,de Souza, Rodrigo O.M.A.,Rezende, Claudia M.

, p. 39 - 46 (2018/05/22)

Monoterpenic esters are very important flavor and fragrance compounds due to their organoleptic properties. Despite their importance, many drawbacks are found for the production of monoterpenic esters. Here in we report two different approach's (chemo and enzymatic) for the continuous production of monoterpenic esters with integrated purification arriving on the desired molecules with high yields (>95%) and short reaction times.

Proton-gradient-transfer acid complexes and their catalytic performance for the synthesis of geranyl acetate

Chen, Yongle,Ding, Shiya,Zheng, Wentao,Zhang, Yiyang,Wu, Youting,Hu, Xingbang

, p. 2114 - 2121 (2017/01/16)

Special proton-gradient-transfer acid complexes (PGTACs) in which the bonded protons are not equivalent and have gradients in transfer ability, acidity, and reactivity were reported. The acidity gradient of the protons gave the PGTACs excellent catalytic activity and selectivity in the esterification of terpenols. These PGTACs are “reaction-induced self-separation catalysts” and can be easily reused. The kinetics with PGTACs as catalyst in the esterification of geraniol were also studied for use in engineering design.

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