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87327-59-1

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87327-59-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87327-59-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,3,2 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 87327-59:
(7*8)+(6*7)+(5*3)+(4*2)+(3*7)+(2*5)+(1*9)=161
161 % 10 = 1
So 87327-59-1 is a valid CAS Registry Number.

87327-59-1Upstream product

87327-59-1Relevant articles and documents

Short path syntheses of α-diozonides by sequential ozonolyses of acetylenes and O-methyl oximes

Dong, Yuxiang,Griesbaum, Karl,McCullough, Kevin J.

, p. 1601 - 1604 (1997)

Ozonolyses of but-2-yne 1 in the presence of added carbonyl compounds 3 afford α-oxo ozonides 4. Subsequent cycloadditions between ozonides 4 and cyclohexanone oxide 6, generated in situ by ozonolysis of O-methylcyclohexanone oxime, yield in turn α-diozonides 7 into which have been incorporated the carbon skeletons of all three substrates involved. Ozonolyses of acyloxy-substituted but-2-ynes 9 yield the corresponding bicyclic α-oxo ozonides 11 which subsequently participate in analogous cycloadditions with 6 to produce the corresponding α-diozonides 12. X-Ray crystallographic analysis of the crystalline diozonide 12a shows that it has been formed exclusively by exo-addition of 6 to 11a.

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