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122221-61-8

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122221-61-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122221-61-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,2,2 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 122221-61:
(8*1)+(7*2)+(6*2)+(5*2)+(4*2)+(3*1)+(2*6)+(1*1)=68
68 % 10 = 8
So 122221-61-8 is a valid CAS Registry Number.

122221-61-8Relevant articles and documents

Ricinoleic Acid to Prostaglandins-I: Synthesis of Methyl 2-(6'-Methoxycarbonylhexyl)-cyclopent-2-en-1-one-3-carboxylate and PGE1

Swaminathan, Shankar,Singh, Vinod K.,Dev, Sukh

, p. 1069 - 1075 (2007/10/02)

Ricinoleic acid (1) has been converted into methyl 9,13-bisacetoxy-12-oxooctadecanoate (17), an envisaged key intermediate for the synthesis of prostanoids.As a preliminary, 17 has been transformed into the title compound (14) which has been earlier conve

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