403738-05-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 403738-05-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,3,7,3 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 403738-05:
(8*4)+(7*0)+(6*3)+(5*7)+(4*3)+(3*8)+(2*0)+(1*5)=126
126 % 10 = 6
So 403738-05-6 is a valid CAS Registry Number.
403738-05-6Relevant articles and documents
Stereospecific entry to [4.5]spiroketal glycosides using alkylidenecarbene C-H insertion.
Wardrop, Duncan J,Zhang, Wenming,Fritz, Joseph
, p. 489 - 492 (2002)
[reaction: see text] A novel method for the stereospecific preparation of [4.5]spiroketal glycosides utilizing the 1,5 C-H bond insertion of alkylidenecarbenes is described. Treatment of 2-oxopropyl beta-pyranosides A with lithium (trimethylsilyl)diazomet
