130019-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130019-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,0,1 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 130019-57:
(8*1)+(7*3)+(6*0)+(5*0)+(4*1)+(3*9)+(2*5)+(1*7)=77
77 % 10 = 7
So 130019-57-7 is a valid CAS Registry Number.
130019-57-7Relevant articles and documents
Substituted sulfonylureas
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, (2008/06/13)
Substituted sulfonylureas of the formula I STR1 where the substituents and indices have the following meanings: x is oxygen or sulfur; z is nitrogen or methine (=CH--); R1 is halogen or substituted or unsubstituted C1 -C4