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107552-78-3

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107552-78-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107552-78-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,5,5 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 107552-78:
(8*1)+(7*0)+(6*7)+(5*5)+(4*5)+(3*2)+(2*7)+(1*8)=123
123 % 10 = 3
So 107552-78-3 is a valid CAS Registry Number.

107552-78-3Downstream Products

107552-78-3Relevant articles and documents

STRUCTURE OF THE PRODUCTS OF THE REACTION OF 1-HYDROXY-3,3-DIALKYL-1-ARYLPHTHALANES AND THEIR ETHERS AND SALTS WITH THIOSEMICARBAZIDE

Oparin, D. A.,Kondakov, V. I.,Shalygina, V. A.

, p. 647 - 654 (2007/10/02)

PMR, UV, and IR spectroscopy was used to study the structure of the reaction of 1-hydroxy-3,3-dialkyl-1-arylphthalanes (Alk= CH3, C2H5, and iso-C3H7), their methyl ethers and thiosemicarbazide salts.The compounds containing Ar = C6H5, o-CH3C6H4, m-CH3C6H4, o-CH3OC6H4, m-CH3OC6H4, p-CH3OC6H4, p-C2H5OC6H4, p-(CH3)2NC6H4, p-ClC6H4, m-FC6H4, and 3,4-(CH3O)2C6H3 have cyclic 1-thiosemicarbazido-3,3-dialkyl-1-arylphthalane structure, while the compound with Ar= 2,4,6-(CH3)3C6H2 has the structure of the thiosemicarbazone of the isomeric o-aroylbenzyl alcohol.The cyclic products of the rea ction with Ar = o-CH3C6H4 in ethanol undergo opening of the heterocycle to form open-chain isomers.

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