645396-53-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 645396-53-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,5,3,9 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 645396-53:
(8*6)+(7*4)+(6*5)+(5*3)+(4*9)+(3*6)+(2*5)+(1*3)=188
188 % 10 = 8
So 645396-53-8 is a valid CAS Registry Number.
645396-53-8Relevant articles and documents
Highly stereoselective synthesis of (-)-monatin, a high-intensity sweetener, using chelation-controlled nitrone cycloaddition
Tamura, Osamu,Shiro, Tomoya,Toyao, Atsushi,Ishibashi, Hiroyuki
, p. 2678 - 2679 (2003)
Synthesis of (-)-monatin was achieved by chelation-controlled cycloaddition of nitrone 2 with allyl alcohol 3a in the presence of MgBr 2·OEt2.
