135456-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135456-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,4,5 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 135456-81:
(8*1)+(7*3)+(6*5)+(5*4)+(4*5)+(3*6)+(2*8)+(1*1)=134
134 % 10 = 4
So 135456-81-4 is a valid CAS Registry Number.
135456-81-4Relevant articles and documents
A Strategy for Synthesis of Conduritols and Related Cyclitols via Stereodivergent Vinylsilane-Aldehyde Cyclizations
McIntosh, Matthias C.,Weinreb, Steven M.
, p. 5010 - 5012 (1991)
A novel stereospecific and stereodivergent cyclization of vinylsilane-aldehyde 10, derived from L-arabinose, has been used to prepare the scalemic protected conduritols 11 and 12.