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164921-01-1

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164921-01-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164921-01-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,9,2 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 164921-01:
(8*1)+(7*6)+(6*4)+(5*9)+(4*2)+(3*1)+(2*0)+(1*1)=131
131 % 10 = 1
So 164921-01-1 is a valid CAS Registry Number.

164921-01-1Downstream Products

164921-01-1Relevant articles and documents

Synthesis and 2nd order nonlinear optical properties of soluble polyimides bearing nitroazobenzene type chromophore pendants attached in side-on mode

Jeon, Bong-Jin,Soon, Wook Cha,Jeong, Mi-Yun,Tong, Kun Lim,Jin, Jung-Il

, p. 546 - 552 (2007/10/03)

An organic soluble polyimide was prepared from 3,3′-dihydroxybenzidine and 2,2-bis(phthalic anhydride)hexafluoropropane. The two hydroxy groups in the repeating unit of the polyimide thus prepared were utilized in attaching 4-nitro-4′-diphenylaminoazobenz

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