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131380-48-8

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131380-48-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131380-48-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,3,8 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 131380-48:
(8*1)+(7*3)+(6*1)+(5*3)+(4*8)+(3*0)+(2*4)+(1*8)=98
98 % 10 = 8
So 131380-48-8 is a valid CAS Registry Number.

131380-48-8Relevant articles and documents

Synthesis of (-)- and (+)-Gummiferol via Asymmetric Synthesis of Glycidic Amides

García-Ruiz, Cristina,Cheng-Sánchez, Iván,Sarabia, Francisco

, p. 1655 - 1662 (2016)

An efficient synthesis of the natural product (-)-gummiferol is achieved according to a novel asymmetric methodology of epoxide formation based on a new class of chiral sulfonium salts. This new methodology allows the rapid and efficient construction of t

Stereoselective synthesis of the C3-C15 fragment of callyspongiolide

Reddy Ramidi, Gopal,Yadav, Jhillu S.,Mohapatra, Debendra K.

supporting information, p. 3579 - 3582 (2018/09/10)

The synthesis of C3-C15 fragment of callyspongiolide, a 14-membered macrolides isolated from the marine sponge Callyspongia sp., which was collected from the Indonesia, is reported. Highlights of the synthesis include construction of E-olefin through Juli

B(C6F5)3: A New Class of Strong and Bulky Lewis Acid for Exo-Selective Intermolecular Diels-Alder Reactions of Unreactive Acyclic Dienes with α,β-Enals

Zhou, Jia-Hui,Jiang, Bing,Meng, Fei-Fan,Xu, Yun-He,Loh, Teck-Peng

supporting information, p. 4432 - 4435 (2015/09/28)

Lewis acid B(C6F5)3 catalyzed the Diels-Alder reactions of multisubstituted open-chain dienes and α,β-enals to afford the desired products with high exo-selectivities are reported. The substituent effect of the dienes and dienophiles on the products stereoselectivity was thoroughly investigated, and it was found that most of the desired exo-Diels-Alder products could be obtained in good yields and with high exo-stereoselectivities.

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