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1227732-23-1

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1227732-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1227732-23-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,7,7,3 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1227732-23:
(9*1)+(8*2)+(7*2)+(6*7)+(5*7)+(4*3)+(3*2)+(2*2)+(1*3)=141
141 % 10 = 1
So 1227732-23-1 is a valid CAS Registry Number.

1227732-23-1Downstream Products

1227732-23-1Relevant articles and documents

Highly efficient dynamic kinetic resolution of secondary aromatic alcohols with low-cost and easily available acid resins as racemization catalysts

Cheng, Yongmei,Xu, Gang,Wu, Jianping,Zhang, Chensheng,Yang, Lirong

, p. 2366 - 2369 (2010)

A new and efficient dynamic kinetic resolution (DKR) process of secondary aromatic alcohols was developed with acid resins as racemization catalysts. Acid resin CD8604 was shown to have excellent racemization activity and good biocompatibility. When employing CD8604 and complex acyl donors as racemization catalyst and acyl donor, respectively, enantiomerically pure aromatic acetate was obtained with excellent yield and ee values through the DKR process. It is noteworthy that the system could be reused more than 10 times with little loss of yield and ee value.

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