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69440-16-0

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69440-16-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69440-16-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,4,4 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 69440-16:
(7*6)+(6*9)+(5*4)+(4*4)+(3*0)+(2*1)+(1*6)=140
140 % 10 = 0
So 69440-16-0 is a valid CAS Registry Number.

69440-16-0Upstream product

69440-16-0Downstream Products

69440-16-0Relevant articles and documents

INVESTIGATIONS ON REACTIONS OF CHLORINE DIOXIDE AND SODIUM CHLORITE WITH ORGANIC COMPOUNDS. PART XXXV. REACTIONS OF CHLORINE DIOXIDE WITH RING-SUBSTITUTED STYRENES

Kwiecien, Halina,Jalowiczor, Jozef

, p. 811 - 824 (2007/10/02)

Reactions of chlorine dioxide with ring substituted styrenes (1a-n) in carbon tetrachloride at 52-54 deg C were studied.The reaction products were isolated and characterised.It has been found that methyl-, chloro-, nitrostyrenes and 4-methoxystyrene are attacked by chlorine dioxide exclusively on the vinyl group, to yield the corresponding α-chloroacetophenones (2), diastereoisomers of β-chlorostyrene (6,7), oxidation products (8,9) and some polymers.Oxidation of its phenolic hydroxyl groups and vinyl polymerization took place in hydroxystyrenes.

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