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9(5H)-Phenanthrenone,4b,6,7,8,8a,10- hexahydro-3,4-dihydroxy-4b,8,8-trimethyl-2- (1-methylethyl)-,(4bS,8aS)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21838-12-0

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21838-12-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21838-12-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,3 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 21838-12:
(7*2)+(6*1)+(5*8)+(4*3)+(3*8)+(2*1)+(1*2)=100
100 % 10 = 0
So 21838-12-0 is a valid CAS Registry Number.

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