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90844-74-9

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90844-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90844-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,4 and 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 90844-74:
(7*9)+(6*0)+(5*8)+(4*4)+(3*4)+(2*7)+(1*4)=149
149 % 10 = 9
So 90844-74-9 is a valid CAS Registry Number.

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