28097-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28097-57-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,9 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 28097-57:
(7*2)+(6*8)+(5*0)+(4*9)+(3*7)+(2*5)+(1*7)=136
136 % 10 = 6
So 28097-57-6 is a valid CAS Registry Number.
28097-57-6Relevant articles and documents
Bis(aminophenylthioalkyl)terephthalate and hardener for polyurethane elastomer thereof
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, (2008/06/13)
Bis(aminophenylthioalkyl)terephthalate having the formula STR1 wherein R represents a C1 -C3 alkyl group. The compounds are useful as hardeners for a polyurethane elastomer.