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685509-85-7

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685509-85-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 685509-85-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,5,0 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 685509-85:
(8*6)+(7*8)+(6*5)+(5*5)+(4*0)+(3*9)+(2*8)+(1*5)=207
207 % 10 = 7
So 685509-85-7 is a valid CAS Registry Number.

685509-85-7Downstream Products

685509-85-7Relevant articles and documents

Enantiodivergent synthesis of both enantiomers of marine alkaloids haliclorensin and isohaliclorensin, a constituent of halitulin

Zheng, Jian-Feng,Jin, Li-Ren,Huang, Pei-Qiang

, p. 1139 - 1142 (2007/10/03)

Starting from (3R)-5-benzotriazolyl-3-phenylperhydropyrido[2,1-b][1,3] oxazole 9, the enantiodivergent syntheses of both enantiomers of the marine alkaloids haliclorensin 1 and isohaliclorensin 3 have been achieved. Our syntheses feature ring-expansion re

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