89744-50-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89744-50-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,7,4 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89744-50:
(7*8)+(6*9)+(5*7)+(4*4)+(3*4)+(2*5)+(1*0)=183
183 % 10 = 3
So 89744-50-3 is a valid CAS Registry Number.
89744-50-3Relevant articles and documents
Oxazoleacetic acid derivatives
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, (2008/06/13)
A compound of the formula: STR1 wherein R1 is (A) a group of the formula, STR2 wherein R4 is H, a halogen or trifluoromethyl group, or (B) a group of the formula, STR3 wherein n is 0 or an integer of 1 to 3; R5 is H or an