7631-94-9 Usage
Chemical Properties
solid
Purification Methods
Crystallise it from hot water (1.1mL/g) by cooling.
Check Digit Verification of cas no
The CAS Registry Mumber 7631-94-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,3 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7631-94:
(6*7)+(5*6)+(4*3)+(3*1)+(2*9)+(1*4)=109
109 % 10 = 9
So 7631-94-9 is a valid CAS Registry Number.
InChI:InChI=1/2Na.H2O6S2/c;;1-7(2,3)8(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2