38393-67-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38393-67-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,3,9 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 38393-67:
(7*3)+(6*8)+(5*3)+(4*9)+(3*3)+(2*6)+(1*7)=148
148 % 10 = 8
So 38393-67-8 is a valid CAS Registry Number.
InChI:InChI=1/C16H12O4/c1-8-5-10-6-9-3-4-13(17)15(19)11(9)7-12(10)16(20-2)14(8)18/h3-7,18H,1-2H3
38393-67-8Relevant articles and documents
Synthesis of hallachrome
Cameron, Donald W.,Coller, D. Ross,McDonald, Clinton A.
, p. 833 - 836 (1999)
Hallachrome (1), the only known example of a naturally occurring 1,2-anthraquinone, has been synthesized by successive cycloadditions involving the dienophile (8) with the dienes (7) and (12). Synthetic intermediates (18) and (6) are known derivatives of natural hallachrome.