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57289-21-1

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57289-21-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57289-21-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,2,8 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57289-21:
(7*5)+(6*7)+(5*2)+(4*8)+(3*9)+(2*2)+(1*1)=151
151 % 10 = 1
So 57289-21-1 is a valid CAS Registry Number.

57289-21-1Downstream Products

57289-21-1Relevant articles and documents

Formyloxyacetoxyphenylmethane and 1,1-diacylals as versatile O-formylating and O-acylating reagents for alcohols

Chapman, Robert S.L.,Francis, Molly,Lawrence, Ruth,Tibbetts, Joshua D.,Bull, Steven D.

, p. 6442 - 6452 (2018/10/02)

Formyloxyacetoxyphenylmethane, symmetric 1,1-diacylals and mixed 1-pivaloxy-1-acyloxy-1-phenylmethanes have been used as moisture stable O-formylating and O-acylating reagents for primary and secondary alcohols, allylic alcohols and phenols under solvent/catalyst free conditions to afford their corresponding esters in good yield.

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