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1383253-10-8

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1383253-10-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1383253-10-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,3,2,5 and 3 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1383253-10:
(9*1)+(8*3)+(7*8)+(6*3)+(5*2)+(4*5)+(3*3)+(2*1)+(1*0)=148
148 % 10 = 8
So 1383253-10-8 is a valid CAS Registry Number.

1383253-10-8Downstream Products

1383253-10-8Relevant articles and documents

Pd(II)-catalyzed asymmetric Wacker-type cyclization for the preparation of 2-vinylchroman derivatives with biphenyl tetraoxazoline ligands

Liu, Qingchuan,Wen, Ke,Zhang, Zhenfeng,Wu, Zhengxing,Zhang, Yong Jian,Zhang, Wanbin

, p. 5209 - 5215 (2012/08/08)

This article describes an efficient method for the preparation of chiral chroman derivatives by the Pd(II)-catalyzed asymmetric Wacker-type cyclization using a chelation-induced axially chiral tetraoxazoline ligand. Under the optimized conditions, up to 80% yield and up to 92% ee were obtained. This is the first example to utilize o-trisubstituted 3-butenylphenols as substrates in such transformation.

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