131372-44-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131372-44-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,3,7 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 131372-44:
(8*1)+(7*3)+(6*1)+(5*3)+(4*7)+(3*2)+(2*4)+(1*4)=96
96 % 10 = 6
So 131372-44-6 is a valid CAS Registry Number.
131372-44-6Relevant articles and documents
Application of Wittig Reaction to Adenosine Derivatives
Jun-Dong, Zhang,Li-He, Zhang
, p. 909 - 911 (1990)
2',3'-O-Ethoxymethyleneadenosin 5'-aldehyde (3) was reacted with Wittig reagents 4 and 5 to give the corresponding α,β-unsaturated adenosine esters 6 and 7.The dehydrated compounds 9 and 10 were separated from this reaction and inversion of configuration at C-3'in ribofuranoside was observed.
