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Phthalide, 7-benzamido- (5CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

633337-83-4

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633337-83-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 633337-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,3,3,3 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 633337-83:
(8*6)+(7*3)+(6*3)+(5*3)+(4*3)+(3*7)+(2*8)+(1*3)=154
154 % 10 = 4
So 633337-83-4 is a valid CAS Registry Number.

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