1324-15-8 Usage
Preparation
(a) in the presence of Pyridine, with Chlorosulfonic acid treatment C.I. Vat Orange 1 leuco; (b) Metal used in Pyridine(such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate) processing ?C.I. Vat Orange 1. The above two kinds of circumstances are through with alkali, filter out the insoluble,, remove Pyridine?and salting-out.
Check Digit Verification of cas no
The CAS Registry Mumber 1324-15-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,2 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1324-15:
(6*1)+(5*3)+(4*2)+(3*4)+(2*1)+(1*5)=48
48 % 10 = 8
So 1324-15-8 is a valid CAS Registry Number.
InChI:InChI=1/C24H12Br2O8S2.2Na/c25-18-10-9-14-13-6-7-16-19-12(11-3-1-2-4-15(11)23(16)33-35(27,28)29)5-8-17(20(13)19)24(21(14)22(18)26)34-36(30,31)32;;/h1-10H,(H,27,28,29)(H,30,31,32);;/q;2*+1/p-2