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1693-07-8

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1693-07-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1693-07-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,9 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1693-07:
(6*1)+(5*6)+(4*9)+(3*3)+(2*0)+(1*7)=88
88 % 10 = 8
So 1693-07-8 is a valid CAS Registry Number.

1693-07-8Downstream Products

1693-07-8Relevant articles and documents

Copper-catalyzed highly efficient ester formation from carboxylic acids/esters and formates

Liu, Jun,Shao, Changdong,Zhang, Yanghui,Shi, Guangfa,Pan, Shulei

supporting information, p. 2637 - 2640 (2014/05/06)

A highly efficient copper-catalyzed protocol for the synthesis of esters has been developed from formates. This protocol is applicable to reactions with either esters or acids as the substrates, and shows broad substrate scopes and high yields. This journal is the Partner Organisations 2014.

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