57743-63-2 Usage
Chemical Properties
Sweet spicy aroma
Check Digit Verification of cas no
The CAS Registry Mumber 57743-63-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,4 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 57743-63:
(7*5)+(6*7)+(5*7)+(4*4)+(3*3)+(2*6)+(1*3)=152
152 % 10 = 2
So 57743-63-2 is a valid CAS Registry Number.
57743-63-2Relevant articles and documents
PROCESS FOR PRODUCING WINE LACTONE
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Paragraph 0443-0454, (2013/03/26)
The present invention relates to a method comprising (A) reacting a β-keto ester with a 2-halo ester under basic conditions to obtain a 2-aceto-3-methyl-succinic acid ester; (B) reacting the resulting 2-aceto-3-methyl-succinic acid ester with methyl vinyl