21739-91-3 Usage
Chemical Properties
white powder
Air & Water Reactions
Water soluble.
Fire Hazard
Flash point data for Sodium are not available; however Sodium is probably combustible.
Check Digit Verification of cas no
The CAS Registry Mumber 21739-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,7,3 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 21739-91:
(7*2)+(6*1)+(5*7)+(4*3)+(3*9)+(2*9)+(1*1)=113
113 % 10 = 3
So 21739-91-3 is a valid CAS Registry Number.
InChI:InChI=1/C11H9BrO4.Na/c1-16-8-4-2-7(3-5-8)11(15)9(12)6-10(13)14;/h2-6H,1H3,(H,13,14);/q;+1/p-1/b9-6+;