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156744-18-2

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156744-18-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156744-18-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,4 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 156744-18:
(8*1)+(7*5)+(6*6)+(5*7)+(4*4)+(3*4)+(2*1)+(1*8)=152
152 % 10 = 2
So 156744-18-2 is a valid CAS Registry Number.

156744-18-2Relevant articles and documents

Ozonolyses of cycloalkenes in the presence of carbonyl compounds

Shin, Hyea Sook,Lee, Chi Won,Lee, Joo Yeon,Huh, Tae Sung

, p. 335 - 348 (2007/10/03)

Ozonolysis reactions of a series of cyclic olefins 1 in the presence of carbonyl compounds 6 provided the corresponding cross-ozonides 42. Further reactions of ozonides 42 with the independently prepared carbonyl oxide +CH2-OO- gave diozonides of structure 43. All of the new ozonides have been isolated as pure substances and characterized by their 1H- and 13C- NMR spectra.

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