Cas 139888-60-1,o,o'-bis(dichloroarseno)diphenyl oxide

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Check Digit Verification of cas no

The CAS Registry Mumber 139888-60-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,8,8 and 8 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139888-60:
(8*1)+(7*3)+(6*9)+(5*8)+(4*8)+(3*8)+(2*6)+(1*0)=191
191 % 10 = 1
So 139888-60-1 is a valid CAS Registry Number.

139888-60-1Upstream product

101-84-8 diphenylether

139888-60-1Downstream Products

139888-60-1Relevant articles and documents

ARSENATION OF DIPHENYL OXIDE WITH ARSENIC TRICHLORIDE

Gavrilov, V. I.,Pilishkina, L. M.,Khalitov, F. G.

, p. 2055 - 2057 (2007/10/02)

The intermediate o-dichloroarsenodiphenyl oxide formed during arsenation of diphenyl oxide with arsenic trichloride undergoes both intramolecular arsenation to give 10-chlorophenoxarsine and subsequent arsenation with a second AsCl3 molecule to give o,o'-bis(dichloroarseno)diphenyl oxide.

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CAS

139888-60-1