83-61-4 Usage
Definition
ChEBI: A dihydroxyanthraquinone that is 1,2-dihydroxyanthraquinone compound carrying an additional sulfo substituent at the 3-position. The monosodium salt is the biological stain 'alizarin red S'.
Check Digit Verification of cas no
The CAS Registry Mumber 83-61-4 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 83-61:
(4*8)+(3*3)+(2*6)+(1*1)=54
54 % 10 = 4
So 83-61-4 is a valid CAS Registry Number.
InChI:InChI=1/C14H8O7S/c15-11-6-3-1-2-4-7(6)12(16)10-8(11)5-9(22(19,20)21)13(17)14(10)18/h1-5,17-18H,(H,19,20,21)