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500285-59-6

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500285-59-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 500285-59-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,2,8 and 5 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 500285-59:
(8*5)+(7*0)+(6*0)+(5*2)+(4*8)+(3*5)+(2*5)+(1*9)=116
116 % 10 = 6
So 500285-59-6 is a valid CAS Registry Number.

500285-59-6Relevant articles and documents

Transesterification of (hetero)aryl esters with phenols by an Earth-abundant metal catalyst

Chen, Jianxia,Namila,Bai, Chaolumen,Baiyin, Menghe,Agula, Bao,Bao, Yong-Sheng

, p. 25168 - 25176 (2018/07/29)

Readily available and inexpensive Earth-abundant alkali metal species are used as efficient catalysts for the transesterification of aryl or heteroaryl esters with phenols which is a challenging and underdeveloped transformation. The simple conditions and the use of heterogeneous alkali metal catalyst make this protocol very environmentally friendly and practical. This reaction fills in the missing part in transesterification reaction of phenols and provides an efficient approach to aryl esters, which are widely used in the synthetic and pharmaceutical industry.

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