213257-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213257-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,2,5 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 213257-55:
(8*2)+(7*1)+(6*3)+(5*2)+(4*5)+(3*7)+(2*5)+(1*5)=107
107 % 10 = 7
So 213257-55-7 is a valid CAS Registry Number.
213257-55-7Relevant articles and documents
Substituted amino compounds and their use as substances having an analgesic effect
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, (2008/06/13)
Substituted amino compounds of general formula (I) are described, as are a method of preparing them and their use as drugs, especially as analgesics.