7784-11-4 Usage
Chemical Properties
colorless to slightly yellow; deliquescent; may be prepared by dissolution of Al or aluminum hydroxide in HBr, followed by precipitation; used as an acid catalyst [MER06] [KIR78]
Check Digit Verification of cas no
The CAS Registry Mumber 7784-11-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,8 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7784-11:
(6*7)+(5*7)+(4*8)+(3*4)+(2*1)+(1*1)=124
124 % 10 = 4
So 7784-11-4 is a valid CAS Registry Number.