103633-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103633-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,6,3 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 103633-72:
(8*1)+(7*0)+(6*3)+(5*6)+(4*3)+(3*3)+(2*7)+(1*2)=93
93 % 10 = 3
So 103633-72-3 is a valid CAS Registry Number.
103633-72-3Relevant articles and documents
A GENERAL METHOD FOR THE SYNTHESIS OF 3,4-EPOXY-2-METHYLENEALKANOIC ACID DERIVATIVES USING DIANION OF N-PHENYL-2-(PHENYLSULFONYLMETHYL)-PROPENAMIDE
Tanaka, Kazuhiko,Yoda, Hidemi,Kaji, Aritsune
, p. 4751 - 4754 (2007/10/02)
A general procedure has been developed for the synthesis of 3,4-epoxy-2-methylenealkanoic acid derivatives using dianion of N-phenyl-2-(phenylsulfonylmethyl)propenamide and aldehydes.
