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5,5',5''-<1,3,6-naphthalenetriyltris(sulfonylimino)>tris<1,3-benzenedisulfonic acid> hexasodium salt is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

69031-64-7

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69031-64-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69031-64-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,0,3 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 69031-64:
(7*6)+(6*9)+(5*0)+(4*3)+(3*1)+(2*6)+(1*4)=127
127 % 10 = 7
So 69031-64-7 is a valid CAS Registry Number.

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