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208121-81-7

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208121-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 208121-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,1,2 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 208121-81:
(8*2)+(7*0)+(6*8)+(5*1)+(4*2)+(3*1)+(2*8)+(1*1)=97
97 % 10 = 7
So 208121-81-7 is a valid CAS Registry Number.

208121-81-7Relevant articles and documents

Palladium-Catalyzed Ortho-Alkoxylation of N-Benzoyl α-Amino Acid Derivatives at Room Temperature

Li, Shuangjie,Zhu, Wei,Gao, Feng,Li, Chunpu,Wang, Jiang,Liu, Hong

, p. 126 - 134 (2017/04/26)

An efficient palladium-catalyzed ortho-alkoxylation of N-benzoyl α-amino acid derivatives at room temperature has been explored. This novel transformation, using amino acids as directing groups, Pd(OAc)2 as catalyst, alcohols as the alkoxylation reagents, and PhI(OAc)2 as the oxidant, showed wide generality, good functional tolerance, and high monoselectivity and regioselectivity.

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