135468-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135468-90-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,4,6 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 135468-90:
(8*1)+(7*3)+(6*5)+(5*4)+(4*6)+(3*8)+(2*9)+(1*0)=145
145 % 10 = 5
So 135468-90-5 is a valid CAS Registry Number.
135468-90-5Relevant articles and documents
A Novel Entry into Cyclopropanated Sugar Amino Acids
Zaman, Fakhar-uz,Fatima, Ayjaz,Malik, Abdul,Voelter, Wolfgang
, p. 1434 - 1438 (2007/10/02)
Reaction of sugar triflates (1) and (2) with tert-butyl cyanoacetate in presence of sodium hydride affords the cyclopropanated sugars (3) and (4), followed by selective hydrolysis of the ester group to free acids (5) and (6), respectively.Couplings of (5)
