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64991-10-2

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64991-10-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64991-10-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,9,9 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 64991-10:
(7*6)+(6*4)+(5*9)+(4*9)+(3*1)+(2*1)+(1*0)=152
152 % 10 = 2
So 64991-10-2 is a valid CAS Registry Number.

64991-10-2Downstream Products

64991-10-2Relevant articles and documents

Highly efficient solvent-free condensation of carboxylic acids with alcohols catalysed by zinc perchlorate hexahydrate, Zn(ClO4) 2·6 H2O

Bartoli,Boeglin,Bosco,Locatelli,Massaccesi,Melchiorre,Sambri

, p. 33 - 38 (2005)

Zinc perchlorate hexahydrate, Zn(ClO4)2· 6 H2O, efficiently catalyses the esterification between nearly equimolar amounts of carboxylic acids and alcohols. The reaction works under solvent-free conditions at relatively low temperatures. Excellent results were obtained with a wide range of substrates.

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