737758-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 737758-21-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,7,7,5 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 737758-21:
(8*7)+(7*3)+(6*7)+(5*7)+(4*5)+(3*8)+(2*2)+(1*1)=203
203 % 10 = 3
So 737758-21-3 is a valid CAS Registry Number.
737758-21-3Relevant articles and documents
Phosphorylation of 3′,4′,5,7-tetramethyldihydroquercetin
Nifant'ev,Koroteev,Kaziev,Koroteev,Vasyanina,Zakharova
, p. 1686 - 1690 (2003)
3′,4′,5,7-Tetramethyldihydroquercetin was phosphorylated with phosphorous acid derivatives, and similar results were obtained with phosphorochloridites and phosphoramidites. The PIII derivatives obtained were subjected to oxidation. The structu
