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13664-06-7

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13664-06-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13664-06-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,6,6 and 4 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 13664-06:
(7*1)+(6*3)+(5*6)+(4*6)+(3*4)+(2*0)+(1*6)=97
97 % 10 = 7
So 13664-06-7 is a valid CAS Registry Number.

13664-06-7Downstream Products

13664-06-7Relevant articles and documents

Elemental Sulfur/DMSO-Promoted Multicomponent One-pot Synthesis of Malonic Acid Derivatives from Maleic Anhydride and Amines

Nguyen, Le Anh,Retailleau, Pascal,Nguyen, Thanh Binh

supporting information, p. 2864 - 2869 (2019/05/01)

Malonic acid derivatives could be conveniently prepared with high degree of functional flexibility via redox condensation reactions between anhydride maleic, amines, elemental sulfur and DMSO as oxidant. This multicomponent decarboxylative transformation consists in a cascade of ring opening, decarboxylative oxidative thioamidation at temperature as low as 50 °C. (Figure presented.).

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