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13β-Benzoyloxy-12-oxoabieta-8(14),9(11)-dien is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

62691-20-7

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62691-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 62691-20-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,6,9 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 62691-20:
(7*6)+(6*2)+(5*6)+(4*9)+(3*1)+(2*2)+(1*0)=127
127 % 10 = 7
So 62691-20-7 is a valid CAS Registry Number.

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