137975-63-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137975-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,7 and 5 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137975-63:
(8*1)+(7*3)+(6*7)+(5*9)+(4*7)+(3*5)+(2*6)+(1*3)=174
174 % 10 = 4
So 137975-63-4 is a valid CAS Registry Number.
137975-63-4Relevant articles and documents
BENZOHETEROCYCLIC COMPOUNDS
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, (2008/06/13)
Novel benzoheterocyclic compounds of the formula: STR1 wherein R. sup.1 is H, halogen, alkyl, optionally substituted amino, alkoxy; R 2 is H, halogen, alkoxy, phenyialkoxy, OH, alkyl, optionally substituted amino, carbamoyl-alkoxy, optionally substituted
