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60664-01-9

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60664-01-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 60664-01-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,0,6,6 and 4 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 60664-01:
(7*6)+(6*0)+(5*6)+(4*6)+(3*4)+(2*0)+(1*1)=109
109 % 10 = 9
So 60664-01-9 is a valid CAS Registry Number.

60664-01-9Relevant articles and documents

Ionic liquid mediated one-pot synthesis of 6-aminouracils

Chavan, Sunil S.,Degani, Mariam S.

, p. 296 - 299 (2012/03/26)

A novel, one-pot synthesis of 6-aminouracils via in situ generated ureas and cyanoacetylureas in the presence of an ionic liquid catalyst, 1,1,3,3-tetramethylguanidine acetate, is described. The catalyst can be recycled for five consecutive runs without loss of activity. The mechanism for the ring closure of cyanoacetylurea to 6-aminouracil is also discussed.

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