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90065-65-9

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90065-65-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90065-65-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,6 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 90065-65:
(7*9)+(6*0)+(5*0)+(4*6)+(3*5)+(2*6)+(1*5)=119
119 % 10 = 9
So 90065-65-9 is a valid CAS Registry Number.
InChI:InChI=1/C4H4O3/c5-2-1-4(7)3-6/h1-3,5H/b2-1-

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