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1308-09-4

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1308-09-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1308-09-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,0 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1308-09:
(6*1)+(5*3)+(4*0)+(3*8)+(2*0)+(1*9)=54
54 % 10 = 4
So 1308-09-4 is a valid CAS Registry Number.
InChI:InChI=1/Cr.Cu.4H2O.3O/h;;4*1H2;;;/q2*+2;;;;;;;-2/p-2/rCrH2O4.Cu.2H2O.O/c2-1(3,4)5;;;;/h2-3H;;2*1H2;/q;+2;;;-2

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