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93904-87-1

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93904-87-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93904-87-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,0 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 93904-87:
(7*9)+(6*3)+(5*9)+(4*0)+(3*4)+(2*8)+(1*7)=161
161 % 10 = 1
So 93904-87-1 is a valid CAS Registry Number.
InChI:InChI=1/C16H12N2O10S3.3Na/c19-28-31(26,27)15-13-4-2-1-3-10(13)9-14(16(15)30(23,24)25)18-17-11-5-7-12(8-6-11)29(20,21)22;;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;;/q;3*+1/p-2/b18-17+;;;

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