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188903-34-6

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188903-34-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188903-34-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,9,0 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 188903-34:
(8*1)+(7*8)+(6*8)+(5*9)+(4*0)+(3*3)+(2*3)+(1*4)=176
176 % 10 = 6
So 188903-34-6 is a valid CAS Registry Number.

188903-34-6Downstream Products

188903-34-6Relevant articles and documents

Resorcinol bis(cyclophosphites)

Nifantyev, Eduard E.,Rasadkina, Elena N.,Vasyanina, Larysa K.,Belsky, Vitaliy K.,Stash, Adam I.

, p. 171 - 176 (2007/10/03)

First representatives of resorcinol bis(cyclophosphites) were synthesized, on the basis of which a series of metallocomplexes, including a 16-membered binuclear metallocycle, was obtained. The fact that, in this system, two m-phenylene cycles are almost parallel with each other makes possible the creation of complex polynuclear constructions. The phosphocyclane rings in resorcinol bis(cyclophosphites) are readily opened by bromine and chloramine to form bis-(ω-halogenoallylphosphates) of resorcinol.

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