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160219-79-4

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160219-79-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 160219-79-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,0,2,1 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 160219-79:
(8*1)+(7*6)+(6*0)+(5*2)+(4*1)+(3*9)+(2*7)+(1*9)=114
114 % 10 = 4
So 160219-79-4 is a valid CAS Registry Number.

160219-79-4Downstream Products

160219-79-4Relevant articles and documents

Aromatic allylaminonitro compounds, hair dye compositions containing aromatic allylaminonitio compounds, and synthetic and natural fiber dyeing process

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, (2008/06/13)

Aromatic allylaminonitro compounds corresponding to formula (I): STR1 in which R1 is hydrogen or an alkyl group containing 1 to 4 carbon atoms, R2 is hydrogen, an alkyl group containing 1 to 4 carbon atoms or an allyl group CH2 C(R5)=CH2, where R5 is hydrogen or an alkyl group containing 1 to 4 carbon atoms, R3 is carboxyl, hydroxy, nitro, halogen or a group NR6 R7, where R6 and R7 independently of one another represent hydrogen, an alkyl group containing 1 to 4 carbon atoms, a hydroxyalkyl or dihydroxyalkyl group containing 2 to 4 carbon atoms or an allyl group CH2 C(R8)=CH2, where R8 is hydrogen or an alkyl group containing 1 to 4 carbon atoms, and R4 is hydrogen or nitro, with the proviso that R3 and R4 are not both nitro. The compounds are useful for dyeing fibers, particularly human hair.

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