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911709-30-3

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911709-30-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 911709-30-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,1,7,0 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 911709-30:
(8*9)+(7*1)+(6*1)+(5*7)+(4*0)+(3*9)+(2*3)+(1*0)=153
153 % 10 = 3
So 911709-30-3 is a valid CAS Registry Number.

911709-30-3Downstream Products

911709-30-3Relevant articles and documents

THIOL DYES

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Page/Page column 21, (2009/05/28)

Disclosed are thiol dyes of formula (1), wherein R1 is hydrogen; C1-C12alkyl; or phenyl-C1-C4alkyl; X is C1-C12alkylene; C2-C12alkenylene; C5-C10cycloalkylene; C5-C10arylene; or C5-C10arylene-C1-C10alkylene; Y is the residue of an organic dye which corresponds to the formula (1a), wherein R2 is hydrogen; or C1-C5alkyl; R3 is a radical of formula (1a1): (1a2); or (1a3); or R2 and R3 together with the linking carbon atom 1C form a 6 to 10 membered carbocyclic ring which may optionally be a condensated aromatic system and may contain one or more than one hetero atom; and R4, R5 and R6 independently form each other are hydrogen, or C1-C5alkyl; Z is H; or a thio ester group of formula (1b), wherein A is O; S; or N—R9; B is —OR7; —NR7R8, or —SR7; and A is O; S; or N—R9; B is —OR7; —NR7R8, or —SR7; and R7, R8 and R9, independently from each other are hydrogen; C1-C12alkyl C6-C12aryl; or C6-C12aryl-C1-C12alkyl. The compounds are useful for the dyeing of organic materials, such as keratin fibers, preferably human hair.

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