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1156503-09-1

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1156503-09-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1156503-09-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,6,5,0 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1156503-09:
(9*1)+(8*1)+(7*5)+(6*6)+(5*5)+(4*0)+(3*3)+(2*0)+(1*9)=131
131 % 10 = 1
So 1156503-09-1 is a valid CAS Registry Number.

1156503-09-1Downstream Products

1156503-09-1Relevant articles and documents

Direct synthesis of 2,3,5-trichloro-4,4-dimethoxy-and 2,5-dichloro-3,4,4- trimethoxycyclopent-2-en-1-ones from hexachlorocyclopentadiene and some aspects of their reactivity

Ivanova,Kislitsina,Miftakhov

experimental part, p. 1271 - 1277 (2009/07/17)

2,3,5-Trichloro-4,4-dimethoxy-and 2,5-dichloro-3,4,4-trimethoxycyclopent-2- en-1-ones were synthesized directly by treatment of hexachlorocyclopentadiene with methanol in the presence of potassium hydroxide at room temperature or on heating and subsequent

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