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C5H5FeC5H4CH2PS(CH2O)2PN3SO(C6H4Cl)P(NCH3CH2)2 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

401642-99-7

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401642-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 401642-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,1,6,4 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 401642-99:
(8*4)+(7*0)+(6*1)+(5*6)+(4*4)+(3*2)+(2*9)+(1*9)=117
117 % 10 = 7
So 401642-99-7 is a valid CAS Registry Number.

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