InChIKey collision resistance: an experimental testing

Table 3 The occurrence of various 4-letter sequences in the set of first blocks for 1.2002 × 10⁹ InChIKeys

Sequence	Experiment	Theory	Ratio	Sequence	Experiment	Theory	Ratio
ABCD	33243	33041	1.006	EDNA	20135	20254	0.994
FMGL	33389	33041	1.011	EGPS	20466	20254	1.010
LGRC	32793	33041	0.992	EKPH	20344	20254	1.004
RBCQ	32937	33041	0.997	EJDO	20190	20254	0.997
Probability		2.7530 × 10^-5		Probability		1.6876 × 10^-5
TBAC	20209	20254	0.998	ZAMR	33551	33547	1.000
TKIL	20303	20254	1.002	ZDKL	33650	33547	1.003
TRPC	20273	20254	1.001	ZSBC	33581	33547	1.001
TSBF	20111	20254	0.993	ZIII	33577	33547	1.001
Probability		1.6876 × 10-5		Probability		2.7951 × 10-5

ISSN: 1758-2946