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4-Hydroxy-2.2.6.6-tetra-<2-cyan-aethyl>-cyclohexanon is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

2987-21-5

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2987-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2987-21-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,8 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2987-21:
(6*2)+(5*9)+(4*8)+(3*7)+(2*2)+(1*1)=115
115 % 10 = 5
So 2987-21-5 is a valid CAS Registry Number.

2987-21-5Downstream Products

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