138963-09-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138963-09-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,6 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 138963-09:
(8*1)+(7*3)+(6*8)+(5*9)+(4*6)+(3*3)+(2*0)+(1*9)=164
164 % 10 = 4
So 138963-09-4 is a valid CAS Registry Number.
138963-09-4Relevant articles and documents
SYNTHESIS OF D-ALLOSAN FROM LEVOGLUCOSENONE
Matsumoto, Katsuya,Ebata, Takashi,Koseki, Koshi,Kawakami, Hiroshi,Matsushita, Hajime
, p. 2225 - 2240 (2007/10/02)
The stereoselective reduction and cis-dihydroxylation of levoglucosenone (1,6-anhydro-3,4-dideoxy-β-D-glycero-hex-3-enopyranos-2-ulose), gave D-allosan (1,6-anhydro-β-D-allopyranose) in high yield.
