12230-74-9 Usage
Chemical Properties
yellow rhomb; obtained by passing H2S through BaS solution, followed by addition of alcohol and subsequent crystallization [KIR78]
Check Digit Verification of cas no
The CAS Registry Mumber 12230-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,3 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 12230-74:
(7*1)+(6*2)+(5*2)+(4*3)+(3*0)+(2*7)+(1*4)=59
59 % 10 = 9
So 12230-74-9 is a valid CAS Registry Number.