157130-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157130-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,1,3 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 157130-91:
(8*1)+(7*5)+(6*7)+(5*1)+(4*3)+(3*0)+(2*9)+(1*1)=121
121 % 10 = 1
So 157130-91-1 is a valid CAS Registry Number.
157130-91-1Relevant articles and documents
A ROUTE TO C2-METHYL-HEX-2-ENOPYRANOSE SYNTHONS
Friedrich, Klaus,Fraser-Reid, Bert
, p. 631 - 640 (2007/10/02)
A synthesis of 4,6-O-benzylidene-2,3-dideoxy-2C-methyl-D-erythro-1,5-lactone is described.This compound is seen as a general synthon for compounds having 2C-methyl-hex-2-enopyranose skelet which are required as precursors for intramolecular Diels Alder ro
