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1921-42-2

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1921-42-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1921-42-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,2 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1921-42:
(6*1)+(5*9)+(4*2)+(3*1)+(2*4)+(1*2)=72
72 % 10 = 2
So 1921-42-2 is a valid CAS Registry Number.
InChI:InChI=1/C8H19NO3S2/c1-2-3-4-5-6-9-7-8-13-14(10,11)12/h9H,2-8H2,1H3,(H,10,11,12)

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