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10142-91-3

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10142-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 10142-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,1,4 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 10142-91:
(7*1)+(6*0)+(5*1)+(4*4)+(3*2)+(2*9)+(1*1)=53
53 % 10 = 3
So 10142-91-3 is a valid CAS Registry Number.
InChI:InChI=1/C33H44N2O9S2.2Na/c1-4-6-16-34(18-20-45(39,40)41)28-12-8-25(9-13-28)31(27-22-24(3)32(36)30(23-27)33(37)38)26-10-14-29(15-11-26)35(17-7-5-2)19-21-46(42,43)44;;/h8-15,22-23,31,36H,4-7,16-21H2,1-3H3,(H,37,38)(H,39,40,41)(H,42,43,44);;/q;2*+1/p-2

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