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89837-18-3

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89837-18-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89837-18-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,3 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89837-18:
(7*8)+(6*9)+(5*8)+(4*3)+(3*7)+(2*1)+(1*8)=193
193 % 10 = 3
So 89837-18-3 is a valid CAS Registry Number.

89837-18-3Downstream Products

89837-18-3Relevant articles and documents

SYNTHESIS OF TRICYCLO1,6>DODECANE AND TRICYCLO1,6>DODECANE RING SYSTEMS INVOLVING INTRAMOLECULAR CYCLISATION OF DIAZOMRTHYL KETONES

Maity, Sanat K.,Mukherjee, Debabrata

, p. 5919 - 5920 (2007/10/02)

2,8-Dimethyltricyclo1,6>dodeca-2,5-diene-4,9-dione (6) , 2,9-dimethyltricyclo1,6>dodeca-2,5-diene-4,10-dione (7) and 2-methyltricyclo1,6>dodeca-2,5-diene-4,10-dione (8) have been synthesised for entry into the ring systems of a few tetracyclic diterpenes.

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