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137157-07-4

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137157-07-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137157-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,1,5 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 137157-07:
(8*1)+(7*3)+(6*7)+(5*1)+(4*5)+(3*7)+(2*0)+(1*7)=124
124 % 10 = 4
So 137157-07-4 is a valid CAS Registry Number.

137157-07-4Upstream product

137157-07-4Downstream Products

137157-07-4Relevant articles and documents

A CONVENIENT SYNTHESIS OF ADENOSINE 3',5'-CYCLIC PHOSPHATE (cAMP) BENZYL AND METHYL TRIESTERS

Kataoka, Shigehiro,Uchida, Riichiro,Yamaji, Nobuyuki

, p. 1351 - 1356 (2007/10/02)

The benzyl amd methyl triesters of cAMP were synthesized from cAMP tri-n-butylammonium salt by alkylation with alkyl halides in the presence of Na2CO3 in dimethylacetamide (DMA).

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