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N-(2-Methyl-allyl)-N'-cyclohexyl-thioharnstoff is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99991-87-4

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99991-87-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99991-87-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,9 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 99991-87:
(7*9)+(6*9)+(5*9)+(4*9)+(3*1)+(2*8)+(1*7)=224
224 % 10 = 4
So 99991-87-4 is a valid CAS Registry Number.

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