171072-43-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171072-43-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,0,7 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 171072-43:
(8*1)+(7*7)+(6*1)+(5*0)+(4*7)+(3*2)+(2*4)+(1*3)=108
108 % 10 = 8
So 171072-43-8 is a valid CAS Registry Number.
171072-43-8Relevant articles and documents
Stereoselective synthesis of α-L-rhamnopyranosyl phosphonates via α-L-rhamnopyranosyl trifluoroacetate
Li,Li,Li
, p. 2545 - 2551 (1995)
α-L-Rhamnopyranosyl phosphates 8a-b ~ 12a-b were obtained in high yield and high stereoselectivity from α-L-rhamnopyranosyl trifluoroacetate 2a-b and phosphoric acid diesters in the presence of a Lewis acid.