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128019-77-2

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128019-77-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128019-77-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,0,1 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128019-77:
(8*1)+(7*2)+(6*8)+(5*0)+(4*1)+(3*9)+(2*7)+(1*7)=122
122 % 10 = 2
So 128019-77-2 is a valid CAS Registry Number.

128019-77-2Relevant articles and documents

Asymmetric aldol reaction using immobilized proline on mesoporous support

Calderon, Felix,Fernandez, Raquel,Sanchez, Felix,Fernandez-Mayoralas, Alfonso

, p. 1395 - 1403 (2007/10/03)

The aldol reaction of hydroxyacetone with different aldehydes using immobilized proline on a mesoporous support, assisted by heat and microwaves, has been explored. It was found that heterogenized L-proline on MCM-41 catalyzed aldol reactions in both hydr

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