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74947-37-8

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74947-37-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74947-37-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,4 and 7 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74947-37:
(7*7)+(6*4)+(5*9)+(4*4)+(3*7)+(2*3)+(1*7)=168
168 % 10 = 8
So 74947-37-8 is a valid CAS Registry Number.

74947-37-8Upstream product

74947-37-8Relevant articles and documents

Substituted 1,11-diaminoundecanes, processes for producing them, and their use

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, (2008/06/13)

There are described novel substituted 1,11-diaminoundecanes, particularly those of the formula STR1 [R1 is alkyl having 1-12 C atoms, R2 is hydrogen or alkyl having 1-12 C atoms, R3 is alkyl having 1-12 C atoms, cycloalkyl having 4-12 C atoms, aralkyl having 7 or 8 C atoms, unsubstituted or substituted aryl, pyridyl, furyl or thienyl, R4 is hydrogen, alkyl having 1-12 C atoms, cycloalkyl having 4-12 C atoms, or unsubstituted or substituted aryl, or R1 and R2 and/or R3 and R4 together are alkylene having 3-11 C atoms], and processes for prducing them. The compound of the formula I can be used for example for producing polycondensation products, particularly polyamides. They can be used also as curing agents for epoxide resins.

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